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-rw-r--r--nixpkgs/pkgs/development/python-modules/Cython/default.nix8
-rw-r--r--nixpkgs/pkgs/development/python-modules/GitPython/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/JPype1/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/Mako/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/aioharmony/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/aiohttp/default.nix49
-rw-r--r--nixpkgs/pkgs/development/python-modules/aiolifx/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/aioresponses/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/alot/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/apache-airflow/default.nix9
-rw-r--r--nixpkgs/pkgs/development/python-modules/appdirs/default.nix4
-rwxr-xr-xnixpkgs/pkgs/development/python-modules/atlassian-python-api/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/autopep8/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/av/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/awkward1/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/azure-mgmt-batch/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/azure-mgmt-hanaonazure/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/azure-mgmt-imagebuilder/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/azure-mgmt-loganalytics/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/azure-mgmt-signalr/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/azure-servicebus/default.nix7
-rw-r--r--nixpkgs/pkgs/development/python-modules/batchgenerators/default.nix8
-rw-r--r--nixpkgs/pkgs/development/python-modules/beancount/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/bids-validator/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/binwalk/default.nix3
-rw-r--r--nixpkgs/pkgs/development/python-modules/bleach/default.nix7
-rw-r--r--nixpkgs/pkgs/development/python-modules/bleak/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/block-io/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/boto3/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/bpython/clipboard-make-which-substitutable.patch27
-rw-r--r--nixpkgs/pkgs/development/python-modules/bpython/default.nix17
-rw-r--r--nixpkgs/pkgs/development/python-modules/bravia-tv/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/bugsnag/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/buildbot/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/buildbot/pkg.nix6
-rw-r--r--nixpkgs/pkgs/development/python-modules/buildbot/plugins.nix10
-rw-r--r--nixpkgs/pkgs/development/python-modules/buildbot/worker.nix8
-rw-r--r--nixpkgs/pkgs/development/python-modules/can/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/celery/default.nix12
-rw-r--r--nixpkgs/pkgs/development/python-modules/citeproc-py/default.nix34
-rw-r--r--nixpkgs/pkgs/development/python-modules/clickclick/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/cnvkit/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/cookiecutter/default.nix5
-rw-r--r--nixpkgs/pkgs/development/python-modules/croniter/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/django-versatileimagefield/default.nix3
-rw-r--r--nixpkgs/pkgs/development/python-modules/django/2_2.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/django_modelcluster/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/dnslib/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/doc8/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/docker/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/dockerfile-parse/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/dot2tex/default.nix24
-rw-r--r--nixpkgs/pkgs/development/python-modules/dot2tex/path.patch104
-rw-r--r--nixpkgs/pkgs/development/python-modules/dot2tex/test.patch12
-rw-r--r--nixpkgs/pkgs/development/python-modules/duecredit/default.nix37
-rw-r--r--nixpkgs/pkgs/development/python-modules/elasticsearch-dsl/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/elasticsearch/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/eve/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/fake-useragent/default.nix22
-rw-r--r--nixpkgs/pkgs/development/python-modules/ffmpeg-python/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/flask-autoindex/default.nix8
-rw-r--r--nixpkgs/pkgs/development/python-modules/flask-sqlalchemy/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/flower/default.nix32
-rw-r--r--nixpkgs/pkgs/development/python-modules/geoalchemy2/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/gidgethub/default.nix10
-rw-r--r--nixpkgs/pkgs/development/python-modules/google-api-python-client/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/google_api_core/default.nix17
-rw-r--r--nixpkgs/pkgs/development/python-modules/google_auth/default.nix14
-rw-r--r--nixpkgs/pkgs/development/python-modules/google_cloud_resource_manager/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/google_resumable_media/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/greenlet/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/gst-python/default.nix9
-rw-r--r--nixpkgs/pkgs/development/python-modules/ha-ffmpeg/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/hsaudiotag3k/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/httplib2/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/hvac/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/identify/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/imageio/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/infoqscraper/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/ipython/7.9.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/ipython/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/isbnlib/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/iterm2/default.nix31
-rw-r--r--nixpkgs/pkgs/development/python-modules/jc/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/jupyter-sphinx/default.nix32
-rw-r--r--nixpkgs/pkgs/development/python-modules/jupyter_client/5.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/jupyterlab/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/jupyterlab_server/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/keras-preprocessing/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/kombu/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/libevdev/default.nix21
-rw-r--r--nixpkgs/pkgs/development/python-modules/matrix-nio/default.nix6
-rw-r--r--nixpkgs/pkgs/development/python-modules/mautrix/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/meinheld/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/minio/default.nix23
-rw-r--r--nixpkgs/pkgs/development/python-modules/msgpack-numpy/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/multidict/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/nbformat/2.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/nix-prefetch-github/default.nix8
-rw-r--r--nixpkgs/pkgs/development/python-modules/notebook/2.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/numpy/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/owslib/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/pandas/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/pandocfilters/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/papis/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/parsy/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/periodictable/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/phik/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/phonenumbers/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/piccata/default.nix20
-rw-r--r--nixpkgs/pkgs/development/python-modules/pillow/6.nix82
-rw-r--r--nixpkgs/pkgs/development/python-modules/pillow/default.nix27
-rw-r--r--nixpkgs/pkgs/development/python-modules/pkgconfig/default.nix10
-rw-r--r--nixpkgs/pkgs/development/python-modules/playsound/default.nix28
-rw-r--r--nixpkgs/pkgs/development/python-modules/pre-commit/default.nix16
-rw-r--r--nixpkgs/pkgs/development/python-modules/pre-commit/hook-tmpl-use-the-hardcoded-path-to-pre-commit.patch32
-rw-r--r--nixpkgs/pkgs/development/python-modules/pre-commit/languages-use-the-hardcoded-path-to-python-binaries.patch26
-rw-r--r--nixpkgs/pkgs/development/python-modules/pulp/default.nix11
-rw-r--r--nixpkgs/pkgs/development/python-modules/py4j/default.nix1
-rw-r--r--nixpkgs/pkgs/development/python-modules/pyatspi/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/pycurl/default.nix6
-rw-r--r--nixpkgs/pkgs/development/python-modules/pydantic/default.nix9
-rw-r--r--nixpkgs/pkgs/development/python-modules/pyenchant/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/pygdbmi/default.nix6
-rw-r--r--nixpkgs/pkgs/development/python-modules/pygobject/3.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/pyhomematic/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/pymupdf/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/pynput/default.nix25
-rw-r--r--nixpkgs/pkgs/development/python-modules/pysonos/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/pytest-dependency/default.nix13
-rw-r--r--nixpkgs/pkgs/development/python-modules/pytest-factoryboy/default.nix43
-rw-r--r--nixpkgs/pkgs/development/python-modules/pytest-flake8/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/pytest/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/python-daemon/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/python-engineio/default.nix1
-rw-r--r--nixpkgs/pkgs/development/python-modules/python-lz4/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/python-miio/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/python-pam/default.nix23
-rw-r--r--nixpkgs/pkgs/development/python-modules/pythonmagick/default.nix43
-rw-r--r--nixpkgs/pkgs/development/python-modules/pythonnet/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/pytorch/default.nix22
-rw-r--r--nixpkgs/pkgs/development/python-modules/pytrends/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/pyxdg/default.nix9
-rw-r--r--nixpkgs/pkgs/development/python-modules/readthedocs-sphinx-ext/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/restructuredtext_lint/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/rethinkdb/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/rnc2rng/default.nix27
-rw-r--r--nixpkgs/pkgs/development/python-modules/rope/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/scrapy-deltafetch/default.nix22
-rw-r--r--nixpkgs/pkgs/development/python-modules/scrapy-fake-useragent/default.nix21
-rw-r--r--nixpkgs/pkgs/development/python-modules/scrapy-splash/default.nix20
-rw-r--r--nixpkgs/pkgs/development/python-modules/screeninfo/default.nix35
-rw-r--r--nixpkgs/pkgs/development/python-modules/setuptools-lint/default.nix21
-rw-r--r--nixpkgs/pkgs/development/python-modules/shellingham/default.nix1
-rw-r--r--nixpkgs/pkgs/development/python-modules/sipsimple/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/snapcast/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/snowflake-connector-python/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/snscrape/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/somajo/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/soupsieve/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/spacy/default.nix8
-rw-r--r--nixpkgs/pkgs/development/python-modules/spacy/models.json72
-rw-r--r--nixpkgs/pkgs/development/python-modules/sphinxcontrib-katex/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/sqlalchemy/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/sqlmap/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/stytra/default.nix8
-rw-r--r--nixpkgs/pkgs/development/python-modules/telethon/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/tenacity/default.nix15
-rw-r--r--nixpkgs/pkgs/development/python-modules/thumbor/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/toggl-cli/default.nix23
-rw-r--r--nixpkgs/pkgs/development/python-modules/toml/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/toolz/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/tqdm/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/trezor_agent/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/trimesh/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/txdbus/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/uamqp/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/uproot/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/vertica-python/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/virtualenv/0001-Check-base_prefix-and-base_exec_prefix-for-Python-2.patch37
-rw-r--r--nixpkgs/pkgs/development/python-modules/virtualenv/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/wtforms/default.nix18
-rw-r--r--nixpkgs/pkgs/development/python-modules/x11_hash/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/yenc/default.nix2
-rw-r--r--nixpkgs/pkgs/development/python-modules/zeroc-ice/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/zeroconf/default.nix4
-rw-r--r--nixpkgs/pkgs/development/python-modules/zope_lifecycleevent/default.nix11
-rw-r--r--nixpkgs/pkgs/development/python-modules/zstd/default.nix6
188 files changed, 1404 insertions, 449 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/Cython/default.nix b/nixpkgs/pkgs/development/python-modules/Cython/default.nix
index 2d987abb3e48..3d5afd52abdd 100644
--- a/nixpkgs/pkgs/development/python-modules/Cython/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/Cython/default.nix
@@ -5,7 +5,7 @@
 , fetchpatch
 , python
 , glibcLocales
-, pkgconfig
+, pkg-config
 , gdb
 , numpy
 , ncurses
@@ -26,15 +26,15 @@ let
 
 in buildPythonPackage rec {
   pname = "Cython";
-  version = "0.29.14";
+  version = "0.29.19";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e4d6bb8703d0319eb04b7319b12ea41580df44fd84d83ccda13ea463c6801414";
+    sha256 = "0n2j87nka8cs772qc60d0c7lrpvsw0y8p3qzvhrsi3nmq1yqmycp";
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
   ];
   checkInputs = [
     numpy ncurses
diff --git a/nixpkgs/pkgs/development/python-modules/GitPython/default.nix b/nixpkgs/pkgs/development/python-modules/GitPython/default.nix
index b5ffacae2964..7b39ebb7a390 100644
--- a/nixpkgs/pkgs/development/python-modules/GitPython/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/GitPython/default.nix
@@ -1,13 +1,13 @@
 { lib, buildPythonPackage, fetchPypi, isPy27, substituteAll, git, gitdb, mock, nose, ddt }:
 
 buildPythonPackage rec {
-  version = "3.1.2";
+  version = "3.1.3";
   pname = "GitPython";
   disabled = isPy27; # no longer supported
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "864a47472548f3ba716ca202e034c1900f197c0fb3a08f641c20c3cafd15ed94";
+    sha256 = "e107af4d873daed64648b4f4beb89f89f0cfbe3ef558fc7821ed2331c2f8da1a";
   };
 
   patches = [
diff --git a/nixpkgs/pkgs/development/python-modules/JPype1/default.nix b/nixpkgs/pkgs/development/python-modules/JPype1/default.nix
index c43b2a05a519..b70879952f4e 100644
--- a/nixpkgs/pkgs/development/python-modules/JPype1/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/JPype1/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "JPype1";
-  version = "0.7.4";
+  version = "0.7.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "92f24b0fe11e90b57343494ce38699043d9e6828a22a99dddbcf99c0adb4c1f7";
+    sha256 = "7bbd25453dc04704d77d854c80acb5537ecb18b9de8a5572e5f22649a2160aaf";
   };
 
   checkInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/Mako/default.nix b/nixpkgs/pkgs/development/python-modules/Mako/default.nix
index 597a4695c0cb..375a02968646 100644
--- a/nixpkgs/pkgs/development/python-modules/Mako/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/Mako/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "Mako";
-  version = "1.1.2";
+  version = "1.1.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "3139c5d64aa5d175dbafb95027057128b5fbd05a40c53999f3905ceb53366d9d";
+    sha256 = "8195c8c1400ceb53496064314c6736719c6f25e7479cd24c77be3d9361cddc27";
   };
 
   checkInputs = [ markupsafe nose mock ];
diff --git a/nixpkgs/pkgs/development/python-modules/aioharmony/default.nix b/nixpkgs/pkgs/development/python-modules/aioharmony/default.nix
index 13769bbeaed3..09b6919495de 100644
--- a/nixpkgs/pkgs/development/python-modules/aioharmony/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/aioharmony/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "aioharmony";
-  version = "0.2.1";
+  version = "0.2.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8c8f6e3b776e4e7eba5a1d2ae739aac6a1dd558a7f15951c34ffe0ee28f7f538";
+    sha256 = "445323810978454ba3b32be53ba6b43cf9948586de3f9734b8743b55858b3cc7";
   };
 
   disabled = !isPy3k;
diff --git a/nixpkgs/pkgs/development/python-modules/aiohttp/default.nix b/nixpkgs/pkgs/development/python-modules/aiohttp/default.nix
index 7d164cf5e4f0..c58944a59d72 100644
--- a/nixpkgs/pkgs/development/python-modules/aiohttp/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/aiohttp/default.nix
@@ -3,7 +3,6 @@
 , buildPythonPackage
 , fetchPypi
 , pythonOlder
-, pythonAtLeast
 , attrs
 , chardet
 , multidict
@@ -12,9 +11,8 @@
 , idna-ssl
 , typing-extensions
 , pytestrunner
-, pytest
+, pytestCheckHook
 , gunicorn
-, pytest-timeout
 , async_generator
 , pytest_xdist
 , pytestcov
@@ -22,13 +20,14 @@
 , trustme
 , brotlipy
 , freezegun
+, isPy38
 }:
 
 buildPythonPackage rec {
   pname = "aiohttp";
   version = "3.6.2";
   # https://github.com/aio-libs/aiohttp/issues/4525 python3.8 failures
-  disabled = pythonOlder "3.5" || pythonAtLeast "3.8";
+  disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
@@ -36,28 +35,40 @@ buildPythonPackage rec {
   };
 
   checkInputs = [
-    pytestrunner pytest gunicorn async_generator pytest_xdist
+    pytestrunner pytestCheckHook gunicorn async_generator pytest_xdist
     pytest-mock pytestcov trustme brotlipy freezegun
   ];
 
   propagatedBuildInputs = [ attrs chardet multidict async-timeout yarl ]
     ++ lib.optionals (pythonOlder "3.7") [ idna-ssl typing-extensions ];
 
-  # disable tests which attempt to do loopback connections
-  checkPhase = ''
+  disabledTests = [
+    # disable tests which attempt to do loopback connections
+    "get_valid_log_format_exc"
+    "test_access_logger_atoms"
+    "aiohttp_request_coroutine"
+    "server_close_keepalive_connection"
+    "connector"
+    "client_disconnect"
+    "handle_keepalive_on_closed_connection"
+    "proxy_https_bad_response"
+    "partially_applied_handler"
+    "middleware"
+  ] ++ lib.optionals stdenv.is32bit [
+    "test_cookiejar"
+  ] ++ lib.optionals isPy38 [
+    # Python 3.8  https://github.com/aio-libs/aiohttp/issues/4525
+    "test_read_boundary_with_incomplete_chunk"
+    "test_read_incomplete_chunk"
+    "test_request_tracing_exception"
+  ] ++ lib.optionals stdenv.isDarwin [
+    "test_close"
+  ];
+
+  # aiohttp in current folder shadows installed version
+  # Probably because we run `python -m pytest` instead of `pytest` in the hook.
+  preCheck = ''
     cd tests
-    pytest -k "not get_valid_log_format_exc \
-               and not test_access_logger_atoms \
-               and not aiohttp_request_coroutine \
-               and not server_close_keepalive_connection \
-               and not connector \
-               and not client_disconnect \
-               and not handle_keepalive_on_closed_connection \
-               and not proxy_https_bad_response \
-               and not partially_applied_handler \
-               ${lib.optionalString stdenv.is32bit "and not test_cookiejar"} \
-               and not middleware" \
-      --ignore=test_connector.py
   '';
 
   meta = with lib; {
diff --git a/nixpkgs/pkgs/development/python-modules/aiolifx/default.nix b/nixpkgs/pkgs/development/python-modules/aiolifx/default.nix
index c40f8d3b4471..7b33b1c508f8 100644
--- a/nixpkgs/pkgs/development/python-modules/aiolifx/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/aiolifx/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "aiolifx";
-  version = "0.6.7";
+  version = "0.6.8";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "cf53c9faea6eee25a466e73eef1753b82a75c7497648149c19c15342df2678f2";
+    sha256 = "9f9055bc2a9a72c5eab17e0ce5522edecd6de07e21cf347bf0cffabdabe5570e";
   };
 
   # tests are not implemented
diff --git a/nixpkgs/pkgs/development/python-modules/aioresponses/default.nix b/nixpkgs/pkgs/development/python-modules/aioresponses/default.nix
index bbeca1c31507..9034e6a67316 100644
--- a/nixpkgs/pkgs/development/python-modules/aioresponses/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/aioresponses/default.nix
@@ -11,12 +11,12 @@
 
 buildPythonPackage rec {
   pname = "aioresponses";
-  version = "0.6.3";
+  version = "0.6.4";
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "06w15iyr07s861hkzqfdclzxkpvgg83sx8f235mz8k2490hnyqvv";
+    sha256 = "4397ca736238a1ada8c7f47e557dda05e9ecfdd467b9f6b83871efd365af7e9f";
   };
 
   nativeBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/alot/default.nix b/nixpkgs/pkgs/development/python-modules/alot/default.nix
index a2012132024b..04b2d898e66a 100644
--- a/nixpkgs/pkgs/development/python-modules/alot/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/alot/default.nix
@@ -61,6 +61,6 @@ buildPythonPackage rec {
     description = "Terminal MUA using notmuch mail";
     license = licenses.gpl3;
     platforms = platforms.linux;
-    maintainers = with maintainers; [ aepsil0n ];
+    maintainers = with maintainers; [ edibopp ];
   };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/apache-airflow/default.nix b/nixpkgs/pkgs/development/python-modules/apache-airflow/default.nix
index 706648f56a31..f8ef6b9492a3 100644
--- a/nixpkgs/pkgs/development/python-modules/apache-airflow/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/apache-airflow/default.nix
@@ -52,13 +52,16 @@
 , typing
 , nose
 , python
-, isPy3k
+, pythonOlder
+, pythonAtLeast
 }:
 
 buildPythonPackage rec {
   pname = "apache-airflow";
   version = "1.10.5";
-  disabled = (!isPy3k);
+  # Upstream does not yet support python 3.8
+  # https://github.com/apache/airflow/issues/8674
+  disabled = pythonOlder "3.5" || pythonAtLeast "3.8";
 
   src = fetchFromGitHub rec {
     owner = "apache";
@@ -189,6 +192,6 @@ buildPythonPackage rec {
     description = "Programmatically author, schedule and monitor data pipelines";
     homepage = "http://airflow.apache.org/";
     license = licenses.asl20;
-    maintainers = with maintainers; [ costrouc ingenieroariel ];
+    maintainers = with maintainers; [ bhipple costrouc ingenieroariel ];
   };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/appdirs/default.nix b/nixpkgs/pkgs/development/python-modules/appdirs/default.nix
index 2f7f2ae0281b..22fa3dc98fb0 100644
--- a/nixpkgs/pkgs/development/python-modules/appdirs/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/appdirs/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "appdirs";
-  version = "1.4.3";
+  version = "1.4.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "9e5896d1372858f8dd3344faf4e5014d21849c756c8d5701f78f8a103b372d92";
+    sha256 = "7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41";
   };
 
   meta = {
diff --git a/nixpkgs/pkgs/development/python-modules/atlassian-python-api/default.nix b/nixpkgs/pkgs/development/python-modules/atlassian-python-api/default.nix
index f9462c5b0a50..5f124cc09434 100755
--- a/nixpkgs/pkgs/development/python-modules/atlassian-python-api/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/atlassian-python-api/default.nix
@@ -16,11 +16,11 @@
 
 buildPythonPackage rec {
   pname = "atlassian-python-api";
-  version = "1.15.7";
+  version = "1.15.9";
   
   src = fetchPypi {
     inherit pname version;
-    sha256 = "b54cce1ca4bea838a949b4362410b1d717597951e5b7efbfa34ce89bc5df805e";
+    sha256 = "c6a3125ee68ecf4d11947497c1f891b6436df9d8453f8865cabf595813504cc1";
   };
   
   checkInputs = [ pytestrunner pytest ];
diff --git a/nixpkgs/pkgs/development/python-modules/autopep8/default.nix b/nixpkgs/pkgs/development/python-modules/autopep8/default.nix
index 715e4da8f44e..7b7131f2a7fc 100644
--- a/nixpkgs/pkgs/development/python-modules/autopep8/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/autopep8/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "autopep8";
-  version = "1.5.2";
+  version = "1.5.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0m29ndgrcgrzi3y1fsxmdl421x6n4gn02l70hsz8486h8zzdhbqm";
+    sha256 = "60fd8c4341bab59963dafd5d2a566e94f547e660b9b396f772afe67d8481dbf0";
   };
 
   propagatedBuildInputs = [ pycodestyle ];
diff --git a/nixpkgs/pkgs/development/python-modules/av/default.nix b/nixpkgs/pkgs/development/python-modules/av/default.nix
index 7ccc569a87e5..ca750f32dba9 100644
--- a/nixpkgs/pkgs/development/python-modules/av/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/av/default.nix
@@ -2,7 +2,7 @@
 , buildPythonPackage
 , fetchPypi
 , numpy
-, ffmpeg_4
+, ffmpeg
 , pkgconfig
 }:
 
@@ -18,7 +18,7 @@ buildPythonPackage rec {
   checkInputs = [ numpy ];
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ ffmpeg_4 ];
+  buildInputs = [ ffmpeg ];
 
   # Tests require downloading files from internet
   doCheck = false;
diff --git a/nixpkgs/pkgs/development/python-modules/awkward1/default.nix b/nixpkgs/pkgs/development/python-modules/awkward1/default.nix
index 3e2b08061d92..e3549e0a4a85 100644
--- a/nixpkgs/pkgs/development/python-modules/awkward1/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/awkward1/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "awkward1";
-  version = "0.2.19";
+  version = "0.2.23";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "23446eacdf52cad1fb0b5bb0f2ed16c1ae8bb5a282d667ad37ab69494e1ef27f";
+    sha256 = "d7458b499959af66e0a640e29e6b676a39cc9614cd504e5a2e8f8d0c7f546597";
   };
 
   nativeBuildInputs = [ cmake ];
diff --git a/nixpkgs/pkgs/development/python-modules/azure-mgmt-batch/default.nix b/nixpkgs/pkgs/development/python-modules/azure-mgmt-batch/default.nix
index 19be6d28e170..5a1b7600ecfc 100644
--- a/nixpkgs/pkgs/development/python-modules/azure-mgmt-batch/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/azure-mgmt-batch/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "azure-mgmt-batch";
-  version = "8.0.0";
+  version = "9.0.0";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "228ea058361763a5a31273df7d813b9134d0ecff4567c533eb7e1afaf772fbc7";
+    sha256 = "03417eecfa1fac906e674cb1cb43ed7da27a96277277b091d7c389ba39f6c3fe";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/azure-mgmt-hanaonazure/default.nix b/nixpkgs/pkgs/development/python-modules/azure-mgmt-hanaonazure/default.nix
index c23ebfc2ce9c..fd0c527344c0 100644
--- a/nixpkgs/pkgs/development/python-modules/azure-mgmt-hanaonazure/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/azure-mgmt-hanaonazure/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "azure-mgmt-hanaonazure";
-  version = "0.13.0";
+  version = "0.14.0";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "cc4058174e371a0b68b305cd5a082fcca47f3446dd9aefd9ada72da4bd637da9";
+    sha256 = "7f8b912ca62431c1697b4914c12cc5f8123e60ee6c65d123591f937744d204e0";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/azure-mgmt-imagebuilder/default.nix b/nixpkgs/pkgs/development/python-modules/azure-mgmt-imagebuilder/default.nix
index f5b04c36b0d6..404caf4ebf5b 100644
--- a/nixpkgs/pkgs/development/python-modules/azure-mgmt-imagebuilder/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/azure-mgmt-imagebuilder/default.nix
@@ -5,13 +5,13 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.3.0";
+  version = "0.4.0";
   pname = "azure-mgmt-imagebuilder";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0r4sxr3pbcci5qif1ip1lrix3cryj0b3asqch3zds4q705jiakc4";
+    sha256 = "4c9291bf16b40b043637e5e4f15650f71418ac237393e62219cab478a7951733";
     extension = "zip";
   };
 
diff --git a/nixpkgs/pkgs/development/python-modules/azure-mgmt-loganalytics/default.nix b/nixpkgs/pkgs/development/python-modules/azure-mgmt-loganalytics/default.nix
index eb4772ce5439..69c1aaffada3 100644
--- a/nixpkgs/pkgs/development/python-modules/azure-mgmt-loganalytics/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/azure-mgmt-loganalytics/default.nix
@@ -11,12 +11,12 @@
 
 buildPythonPackage rec {
   pname = "azure-mgmt-loganalytics";
-  version = "0.5.0";
+  version = "0.6.0";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "16f4c4f676ea718b7e1c59bd9a516fcfc796f1aff844b183a7ce9afe69fb214d";
+    sha256 = "a1527fe8b1e8a47558bfa03bd6c587706d8fb9213142aea42da07397daa2d039";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/azure-mgmt-signalr/default.nix b/nixpkgs/pkgs/development/python-modules/azure-mgmt-signalr/default.nix
index 2ccb773c105a..8192064626ea 100644
--- a/nixpkgs/pkgs/development/python-modules/azure-mgmt-signalr/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/azure-mgmt-signalr/default.nix
@@ -9,12 +9,12 @@
 
 buildPythonPackage rec {
   pname = "azure-mgmt-signalr";
-  version = "0.3.0";
+  version = "0.4.0";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "08b2i6wz9n13h77ahay1hvmg8abk2vvs7kn4y7xip9gi6ij8fv0a";
+    sha256 = "6503ddda9d6f4b634dfeb8eb4bcd14ede5e0900585f6c83bf9010cf82215c126";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/azure-servicebus/default.nix b/nixpkgs/pkgs/development/python-modules/azure-servicebus/default.nix
index 02460b27952e..2a3552d1fb5f 100644
--- a/nixpkgs/pkgs/development/python-modules/azure-servicebus/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/azure-servicebus/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "azure-servicebus";
-  version = "0.50.2";
+  version = "0.50.3";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "836649d510aa2b7467bc87d8dab18f2db917b63aa2fe8f3e5d0bb44011e465f5";
+    sha256 = "2b1e60c81fcf5b6a5bb3ceddb27f24543f479912e39a4706a390a16d8c0a71f4";
   };
 
   buildInputs = [
@@ -29,6 +29,9 @@ buildPythonPackage rec {
   # has no tests
   doCheck = false;
 
+  # python2 will fail due to pep 420
+  pythonImportsCheck = lib.optionals isPy3k [ "azure.servicebus" ];
+
   meta = with lib; {
     description = "This is the Microsoft Azure Service Bus Client Library";
     homepage = "https://github.com/Azure/azure-sdk-for-python";
diff --git a/nixpkgs/pkgs/development/python-modules/batchgenerators/default.nix b/nixpkgs/pkgs/development/python-modules/batchgenerators/default.nix
index 63aa7883e3a9..bfc52c99ef5d 100644
--- a/nixpkgs/pkgs/development/python-modules/batchgenerators/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/batchgenerators/default.nix
@@ -2,6 +2,7 @@
 , buildPythonPackage
 , isPy27
 , fetchFromGitHub
+, fetchpatch
 , pytest
 , unittest2
 , future
@@ -27,6 +28,13 @@ buildPythonPackage rec {
     
   };
 
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/MIC-DKFZ/batchgenerators/pull/59.patch";
+      sha256 = "171b3dm40yn0wi91m9s2nq3j565s1w39jpdf1mvc03rn75i8vdp0";
+    })
+  ];
+
   propagatedBuildInputs = [
     future numpy pillow scipy scikitlearn scikitimage threadpoolctl
   ];
diff --git a/nixpkgs/pkgs/development/python-modules/beancount/default.nix b/nixpkgs/pkgs/development/python-modules/beancount/default.nix
index 045dd14da0d8..9709037792dc 100644
--- a/nixpkgs/pkgs/development/python-modules/beancount/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/beancount/default.nix
@@ -4,14 +4,14 @@
 , ply, python_magic, pytest, requests }:
 
 buildPythonPackage rec {
-  version = "2.2.3";
+  version = "2.3.0";
   pname = "beancount";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0pcfl2rx2ng06i4f9izdpnlnb1k0rdzsckbzzn4cn4ixfzyssm0m";
+    sha256 = "04i788glp2cslwi67dixy1pi5l0izcl078i9mrd1j1sh8f99cvcs";
   };
 
   # Tests require files not included in the PyPI archive.
diff --git a/nixpkgs/pkgs/development/python-modules/bids-validator/default.nix b/nixpkgs/pkgs/development/python-modules/bids-validator/default.nix
index 56a941e60e09..036f54346144 100644
--- a/nixpkgs/pkgs/development/python-modules/bids-validator/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/bids-validator/default.nix
@@ -4,12 +4,12 @@
 }:
 
 buildPythonPackage rec {
-  version = "1.5.1";
+  version = "1.5.2";
   pname = "bids-validator";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1fy8w56m0x546zjk3is1xp83jm19fkn4y15g5jgmq29sfzc8n3y3";
+    sha256 = "6f3bd0402d41ee9be03637d74f34a7db279d00cb9c6386b0597cbbac16ee8f4e";
   };
 
   propagatedBuildInputs = [ ];
diff --git a/nixpkgs/pkgs/development/python-modules/binwalk/default.nix b/nixpkgs/pkgs/development/python-modules/binwalk/default.nix
index e8a20b6df47d..97c6b957a437 100644
--- a/nixpkgs/pkgs/development/python-modules/binwalk/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/binwalk/default.nix
@@ -7,6 +7,7 @@
 , gzip
 , bzip2
 , gnutar
+, p7zip
 , cabextract
 , lzma
 , nose
@@ -28,7 +29,7 @@ buildPythonPackage {
     sha256 = "1bxgj569fzwv6jhcbl864nmlsi9x1k1r20aywjxc8b9b1zgqrlvc";
   };
 
-  propagatedBuildInputs = [ zlib xz ncompress gzip bzip2 gnutar cabextract lzma pycrypto ]
+  propagatedBuildInputs = [ zlib xz ncompress gzip bzip2 gnutar p7zip cabextract lzma pycrypto ]
   ++ stdenv.lib.optional visualizationSupport pyqtgraph;
 
   # setup.py only installs version.py during install, not test
diff --git a/nixpkgs/pkgs/development/python-modules/bleach/default.nix b/nixpkgs/pkgs/development/python-modules/bleach/default.nix
index 1b10fe166f8a..9b27ae254903 100644
--- a/nixpkgs/pkgs/development/python-modules/bleach/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/bleach/default.nix
@@ -6,6 +6,7 @@
 , six
 , html5lib
 , setuptools
+, packaging
 }:
 
 buildPythonPackage rec {
@@ -18,11 +19,7 @@ buildPythonPackage rec {
   };
 
   checkInputs = [ pytest pytestrunner ];
-  propagatedBuildInputs = [ six html5lib setuptools ];
-
-  postPatch = ''
-    substituteInPlace setup.py --replace ",<3dev" ""
-  '';
+  propagatedBuildInputs = [ packaging six html5lib setuptools ];
 
   # Disable network tests
   checkPhase = ''
diff --git a/nixpkgs/pkgs/development/python-modules/bleak/default.nix b/nixpkgs/pkgs/development/python-modules/bleak/default.nix
index 559fd33e8eb0..b7ebca9eb034 100644
--- a/nixpkgs/pkgs/development/python-modules/bleak/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/bleak/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "bleak";
-  version = "0.6.2";
+  version = "0.6.4";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1kmq2z3dhq6dd20i5w71gshjrfvyw0pkpnld8iib9ai2rz6a8aj0";
+    sha256 = "1dc32899d0700c5b5ed9abf642dfee28ac62b1fb5d7be5fa5a6db104dec9a03c";
   };
 
   postPatch = ''
diff --git a/nixpkgs/pkgs/development/python-modules/block-io/default.nix b/nixpkgs/pkgs/development/python-modules/block-io/default.nix
index f80c8a8c145f..505d3ffe149c 100644
--- a/nixpkgs/pkgs/development/python-modules/block-io/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/block-io/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "block-io";
-  version = "1.1.10";
+  version = "1.1.13";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "ba2e750085d9da4d1567932f3f719974fdc3f02649ee0d5c2f85fce592208723";
+    sha256 = "a45e31361d17ce272a0d563a689d6b87b65cc16e9348f8cd3a6460c93359b1bd";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/boto3/default.nix b/nixpkgs/pkgs/development/python-modules/boto3/default.nix
index 2903b8ae7c66..1baa668d3c89 100644
--- a/nixpkgs/pkgs/development/python-modules/boto3/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/boto3/default.nix
@@ -13,11 +13,11 @@
 
 buildPythonPackage rec {
   pname =  "boto3";
-  version = "1.13.6"; # N.B: if you change this, change botocore too
+  version = "1.13.23"; # N.B: if you change this, change botocore too
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "f1ac7eb23ff8b1d7e314123668ff1e93b874dd396ac5424adc443d68bd8a6fbf";
+    sha256 = "bcaa88b2f81b88741c47da52f3414c876236700441df87b6198f860e6a200d6f";
   };
 
   propagatedBuildInputs = [ botocore jmespath s3transfer ] ++ lib.optionals (!isPy3k) [ futures ];
diff --git a/nixpkgs/pkgs/development/python-modules/bpython/clipboard-make-which-substitutable.patch b/nixpkgs/pkgs/development/python-modules/bpython/clipboard-make-which-substitutable.patch
new file mode 100644
index 000000000000..685d34228a1b
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/bpython/clipboard-make-which-substitutable.patch
@@ -0,0 +1,27 @@
+From 6f544a5bd43446859754cb80e012af933b843db9 Mon Sep 17 00:00:00 2001
+From: Florian Klink <flokli@flokli.de>
+Date: Wed, 3 Jun 2020 22:05:34 +0200
+Subject: [PATCH] clipboard: make which substitutable
+
+This is used to detect the presence of xclip and other clipboard
+handling tools.
+---
+ bpython/clipboard.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/bpython/clipboard.py b/bpython/clipboard.py
+index aee429b..f346429 100644
+--- a/bpython/clipboard.py
++++ b/bpython/clipboard.py
+@@ -58,7 +58,7 @@ class OSXClipboard(object):
+ 
+ def command_exists(command):
+     process = subprocess.Popen(
+-        ["which", command], stderr=subprocess.STDOUT, stdout=subprocess.PIPE
++        ["@which@", command], stderr=subprocess.STDOUT, stdout=subprocess.PIPE
+     )
+     process.communicate()
+ 
+-- 
+2.26.2
+
diff --git a/nixpkgs/pkgs/development/python-modules/bpython/default.nix b/nixpkgs/pkgs/development/python-modules/bpython/default.nix
index 73ce843cf018..ad7322cbf661 100644
--- a/nixpkgs/pkgs/development/python-modules/bpython/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/bpython/default.nix
@@ -1,4 +1,14 @@
-{ stdenv, buildPythonPackage, fetchPypi, pygments, greenlet, curtsies, urwid, requests, mock }:
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, curtsies
+, greenlet
+, mock
+, pygments
+, requests
+, substituteAll
+, urwid
+, which }:
 
 buildPythonPackage rec {
   pname = "bpython";
@@ -9,6 +19,11 @@ buildPythonPackage rec {
     sha256 = "1764ikgj24jjq46s50apwkydqvy5a13adb2nbszk8kbci6df0v27";
   };
 
+  patches = [ (substituteAll {
+    src = ./clipboard-make-which-substitutable.patch;
+    which = "${which}/bin/which";
+  })];
+
   propagatedBuildInputs = [ curtsies greenlet pygments requests urwid ];
 
   postInstall = ''
diff --git a/nixpkgs/pkgs/development/python-modules/bravia-tv/default.nix b/nixpkgs/pkgs/development/python-modules/bravia-tv/default.nix
index 2df937f4232c..8050f886db5a 100644
--- a/nixpkgs/pkgs/development/python-modules/bravia-tv/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/bravia-tv/default.nix
@@ -2,14 +2,14 @@
 
 buildPythonPackage rec {
   pname = "bravia-tv";
-  version = "1.0.1";
+  version = "1.0.5";
   disabled = isPy27;
 
   src = fetchFromGitHub {
     owner = "dcnielsen90";
     repo = "python-bravia-tv";
     rev = "v${version}";
-    sha256 = "0jlrin5qw3ny2r961y5divd5xa9giprxhhxdc84rjlq9qdmnsk68";
+    sha256 = "17nd0v3pgmbfafi3vypls9jnpg4dk7wyh7fl7gpzcnkq1f8pf087";
   };
 
   propagatedBuildInputs = [ requests ];
diff --git a/nixpkgs/pkgs/development/python-modules/bugsnag/default.nix b/nixpkgs/pkgs/development/python-modules/bugsnag/default.nix
index 2f0e67683d9a..612ab13c1934 100644
--- a/nixpkgs/pkgs/development/python-modules/bugsnag/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/bugsnag/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "bugsnag";
-  version = "3.6.0";
+  version = "3.6.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "17cjh7g8gbr0gb22nzybkw7vq9x5wfa5ln94hhzijbz934bw1f37";
+    sha256 = "8878437aa44ec485cecb255742035b3b98a6c7e7d167a943b5fbe597b2f8f7f9";
   };
 
   propagatedBuildInputs = [ six webob ];
diff --git a/nixpkgs/pkgs/development/python-modules/buildbot/default.nix b/nixpkgs/pkgs/development/python-modules/buildbot/default.nix
index b088480f5de4..c5a12c997d9d 100644
--- a/nixpkgs/pkgs/development/python-modules/buildbot/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/buildbot/default.nix
@@ -25,11 +25,11 @@ let
 
   package = buildPythonPackage rec {
     pname = "buildbot";
-    version = "2.7.0";
+    version = "2.8.2";
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "0jj8fh611n7xc3vsfbgpqsllp38cfj3spkr2kz3ara2x7jvh3406";
+      sha256 = "0rdrz2zkd6xaf9kb5l41xmbfzq618sz498w23irshih4c802pdv5";
     };
 
     propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/buildbot/pkg.nix b/nixpkgs/pkgs/development/python-modules/buildbot/pkg.nix
index cb3124ec7e38..4bb8613afeab 100644
--- a/nixpkgs/pkgs/development/python-modules/buildbot/pkg.nix
+++ b/nixpkgs/pkgs/development/python-modules/buildbot/pkg.nix
@@ -1,12 +1,12 @@
-{ lib, buildPythonPackage, fetchPypi, isPy3k }:
+{ lib, buildPythonPackage, fetchPypi, isPy3k, buildbot }:
 
 buildPythonPackage rec {
   pname = "buildbot-pkg";
-  version = "2.7.0";
+  inherit (buildbot) version;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "03zb09r8w8dvd9qas7h6gdwlqc7q482ikph6h3708lpnkn72xdkb";
+    sha256 = "1yz3k6dg15q4911x8kjy396dccfgrs50mjz278l09p6zmm71llax";
   };
 
   postPatch = ''
diff --git a/nixpkgs/pkgs/development/python-modules/buildbot/plugins.nix b/nixpkgs/pkgs/development/python-modules/buildbot/plugins.nix
index cd35f14fb37d..4c5aa374562a 100644
--- a/nixpkgs/pkgs/development/python-modules/buildbot/plugins.nix
+++ b/nixpkgs/pkgs/development/python-modules/buildbot/plugins.nix
@@ -7,7 +7,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "1d8xdk4rq4p3fw03cvz7d1pmpjjbyrnzzjifzv46q88vk7jakgxi";
+      sha256 = "19qwr0h6qavznx8rfjq6zjccyd2y7x4nc8asldvay3b44xfsr385";
     };
 
     # Remove unneccessary circular dependency on buildbot
@@ -34,7 +34,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "03pl75avi6cmmhjvfn0a0b4drn35yv37kvgn04zjdwa3m6p3haa8";
+      sha256 = "1wfhwmb1d32k8isk7k8525pmkfih8hlvy53zsj19l3gvjm0da9gw";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -56,7 +56,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "0rzjk3qmlvid8qag3r00zaszchncl1nl8l2yapvc1zqh2dqlln58";
+      sha256 = "0g62v0maz3b9bmjvvjcin6ayg0f5k0n8m93zk75lagyr69g5vaka";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -78,7 +78,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "1n4j73y9kwfqk7dz1fh1bpan68vlpnbz7idxpmsphyay8w8y9dd4";
+      sha256 = "0dlq8pchgccc66gfdlssydacisia5fbwc8b4gd8f9gcbish8jmf7";
     };
 
     buildInputs = [ buildbot-pkg ];
@@ -100,7 +100,7 @@
 
     src = fetchPypi {
       inherit pname version;
-      sha256 = "1babkcgxczs6zfk2b6jmsy2vwbrgdydrp2px1mfwa3wmv8fwlssg";
+      sha256 = "193nni55py6yzw730yyp5va2n4313sjf6a7jmi0xs9bivvvzg5w9";
     };
 
     buildInputs = [ buildbot-pkg ];
diff --git a/nixpkgs/pkgs/development/python-modules/buildbot/worker.nix b/nixpkgs/pkgs/development/python-modules/buildbot/worker.nix
index 365ca0bcf14a..05938e43ad69 100644
--- a/nixpkgs/pkgs/development/python-modules/buildbot/worker.nix
+++ b/nixpkgs/pkgs/development/python-modules/buildbot/worker.nix
@@ -1,13 +1,13 @@
-{ lib, buildPythonPackage, fetchPypi, setuptoolsTrial, mock, twisted, future,
-  coreutils }:
+{ lib, buildPythonPackage, fetchPypi, buildbot, setuptoolsTrial, mock, twisted,
+  future, coreutils }:
 
 buildPythonPackage (rec {
   pname = "buildbot-worker";
-  version = "2.7.0";
+  inherit (buildbot) version;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1vwy46acvczgk1hhpsqdwpcw55j4hm5pkw6j01f92axiga8r5jk6";
+    sha256 = "0p1w6ailp6xpa6ckl5prj413ilxx5s3lga5mzqxj9nn00vni8ik2";
   };
 
   propagatedBuildInputs = [ twisted future ];
diff --git a/nixpkgs/pkgs/development/python-modules/can/default.nix b/nixpkgs/pkgs/development/python-modules/can/default.nix
index 3629e0097eda..0a7e58ac8006 100644
--- a/nixpkgs/pkgs/development/python-modules/can/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/can/default.nix
@@ -16,11 +16,11 @@
 
 buildPythonPackage rec {
   pname = "python-can";
-  version = "3.3.2";
+  version = "3.3.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "5fefb5c1e7e7f07faefc02c6eac79f9b58376f007048a04d8e7f325d48ec6b2e";
+    sha256 = "ecd69cf6b2f0235345ebe607a15325cf1384c85b24ffbe1d68c3754357f87488";
   };
 
   propagatedBuildInputs = [ wrapt pyserial aenum ] ++ lib.optional (pythonOlder "3.5") typing;
diff --git a/nixpkgs/pkgs/development/python-modules/celery/default.nix b/nixpkgs/pkgs/development/python-modules/celery/default.nix
index d0d4f2e69fb8..740023c1fdb9 100644
--- a/nixpkgs/pkgs/development/python-modules/celery/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/celery/default.nix
@@ -4,14 +4,16 @@
 
 buildPythonPackage rec {
   pname = "celery";
-  version = "4.4.2";
+  version = "4.4.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0ps1c6ill7q0m5kzb87hisgshdk3kzpa6cvcjch1d1wa07whp2hh";
+    sha256 = "0zk42fxznrhww0dxak9b6nkfqg02z49zr839k6ql7nk3him7n0y2";
   };
 
   postPatch = ''
+    substituteInPlace requirements/default.txt \
+      --replace "kombu>=4.6.10,<4.7" "kombu"
     substituteInPlace requirements/test.txt \
       --replace "moto==1.3.7" moto \
       --replace "pytest>=4.3.1,<4.4.0" pytest
@@ -20,9 +22,13 @@ buildPythonPackage rec {
   # ignore test that's incompatible with pytest5
   # test_eventlet touches network
   # test_mongodb requires pymongo
+  # test_multi tries to create directories under /var
   checkPhase = ''
-    pytest -k 'not restore_current_app_fallback and not msgpack and not on_apply' \
+    pytest -k 'not restore_current_app_fallback and not msgpack and not on_apply and not pytest' \
+      --ignore=t/unit/contrib/test_pytest.py \
       --ignore=t/unit/concurrency/test_eventlet.py \
+      --ignore=t/unit/bin/test_multi.py \
+      --ignore=t/unit/apps/test_multi.py \
       --ignore=t/unit/backends/test_mongodb.py
   '';
 
diff --git a/nixpkgs/pkgs/development/python-modules/citeproc-py/default.nix b/nixpkgs/pkgs/development/python-modules/citeproc-py/default.nix
new file mode 100644
index 000000000000..bd1ae0c563a4
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/citeproc-py/default.nix
@@ -0,0 +1,34 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, nose
+, git
+, lxml
+, rnc2rng
+}:
+
+buildPythonPackage rec {
+  pname = "citeproc-py";
+  version = "0.5.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "00aaff50jy4j0nakdzq9258z1gzrac9baarli2ymgspj88jg5968";
+  };
+
+  buildInputs = [ rnc2rng ];
+
+  propagatedBuildInputs = [ lxml ];
+
+  checkInputs = [ nose git ];
+  checkPhase = "nosetests tests";
+  doCheck = false;  # seems to want a Git repository, but fetchgit with leaveDotGit also fails
+  pythonImportsCheck = [ "citeproc" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/brechtm/citeproc-py";
+    description = "Citation Style Language (CSL) parser for Python";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ bcdarwin ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/clickclick/default.nix b/nixpkgs/pkgs/development/python-modules/clickclick/default.nix
index d35c356c8220..b2e23dc55bdb 100644
--- a/nixpkgs/pkgs/development/python-modules/clickclick/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/clickclick/default.nix
@@ -14,8 +14,10 @@ buildPythonPackage rec {
   checkInputs = [ pytestCheckHook pytestcov ];
   propagatedBuildInputs = [ flake8 click pyyaml six ];
 
-  disabledTests = lib.optionals isPy36 [
+  # test_cli asserts on exact quoting style of output
+  disabledTests = [
     "test_cli"
+  ] ++ lib.optionals isPy36 [
     "test_choice_default"
   ];
 
diff --git a/nixpkgs/pkgs/development/python-modules/cnvkit/default.nix b/nixpkgs/pkgs/development/python-modules/cnvkit/default.nix
index 054e302dfe76..f4f46f2dff0f 100644
--- a/nixpkgs/pkgs/development/python-modules/cnvkit/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/cnvkit/default.nix
@@ -18,11 +18,11 @@
 
 buildPythonPackage rec {
   pname = "CNVkit";
-  version = "0.9.6";
+  version = "0.9.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1hj8c98s538i0hg5mrz4bw4v07qmcl51rhxq611rj2nglnc9r25y";
+    sha256 = "d68adc0121e17c61a3aa28c0a9ba6526510a5a0df0f0a6eb1818bab71b7e927a";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/cookiecutter/default.nix b/nixpkgs/pkgs/development/python-modules/cookiecutter/default.nix
index 34c21372aee1..873cbe142d9b 100644
--- a/nixpkgs/pkgs/development/python-modules/cookiecutter/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/cookiecutter/default.nix
@@ -1,6 +1,7 @@
 { stdenv, buildPythonPackage, fetchPypi, isPyPy
 , pytest, pytestcov, pytest-mock, freezegun
-, jinja2, future, binaryornot, click, whichcraft, poyo, jinja2_time, requests }:
+, jinja2, future, binaryornot, click, whichcraft, poyo, jinja2_time, requests
+, python-slugify }:
 
 buildPythonPackage rec {
   pname = "cookiecutter";
@@ -16,7 +17,7 @@ buildPythonPackage rec {
 
   checkInputs = [ pytest pytestcov pytest-mock freezegun ];
   propagatedBuildInputs = [
-    jinja2 future binaryornot click whichcraft poyo jinja2_time requests
+    jinja2 future binaryornot click whichcraft poyo jinja2_time requests python-slugify
   ];
   
   # requires network access for cloning git repos
diff --git a/nixpkgs/pkgs/development/python-modules/croniter/default.nix b/nixpkgs/pkgs/development/python-modules/croniter/default.nix
index 90334fd42250..15aaf97d15c0 100644
--- a/nixpkgs/pkgs/development/python-modules/croniter/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/croniter/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "croniter";
-  version = "0.3.31";
+  version = "0.3.32";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "15riw8sl8jzzkvvjlz3i3p7jcx423zipxhff5ddvki6zgnrb9149";
+    sha256 = "0d5bf45f12861c1b718c51bd6e2ab056da94e651bf22900658421cdde0ff7088";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/django-versatileimagefield/default.nix b/nixpkgs/pkgs/development/python-modules/django-versatileimagefield/default.nix
index 90993db4c5bf..4eb9a8da773e 100644
--- a/nixpkgs/pkgs/development/python-modules/django-versatileimagefield/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/django-versatileimagefield/default.nix
@@ -4,6 +4,7 @@
 , django
 , python
 , pillow
+, python_magic
 }:
 
 buildPythonPackage rec {
@@ -14,7 +15,7 @@ buildPythonPackage rec {
     inherit pname version;
     sha256 = "8322ee9d7bf5ffa5360990320d2cc2efc7017feff35422636d49f625721edf82";
   };
-  propagatedBuildInputs = [ pillow ];
+  propagatedBuildInputs = [ pillow python_magic ];
 
   checkInputs = [ django ];
 
diff --git a/nixpkgs/pkgs/development/python-modules/django/2_2.nix b/nixpkgs/pkgs/development/python-modules/django/2_2.nix
index 70cba819e92d..42af34659c0f 100644
--- a/nixpkgs/pkgs/development/python-modules/django/2_2.nix
+++ b/nixpkgs/pkgs/development/python-modules/django/2_2.nix
@@ -6,13 +6,13 @@
 
 buildPythonPackage rec {
   pname = "Django";
-  version = "2.2.11";
+  version = "2.2.13";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0l0gndky4nwc1jk68b31m583a9g0fhmll903p0xislyyddz3iqk5";
+    sha256 = "103db5gmny6bkq9jgr2m6gdfy1n29bj2v87184y1zgpdmkv71ww4";
   };
 
   patches = stdenv.lib.optional withGdal
diff --git a/nixpkgs/pkgs/development/python-modules/django_modelcluster/default.nix b/nixpkgs/pkgs/development/python-modules/django_modelcluster/default.nix
index 27060e18ae27..4ded69bc3256 100644
--- a/nixpkgs/pkgs/development/python-modules/django_modelcluster/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/django_modelcluster/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "django-modelcluster";
-  version = "5.0.1";
+  version = "5.0.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1fk7fh30i0fzi0hjd841vxh25iryvgp4lirmxfpq428w4nq7p1bg";
+    sha256 = "c7a42cf9b93d1161a10bf59919f7ee52d996a523a4134b2a136f6fe1eba7a2fa";
   };
 
   disabled = pythonOlder "3.5";
diff --git a/nixpkgs/pkgs/development/python-modules/dnslib/default.nix b/nixpkgs/pkgs/development/python-modules/dnslib/default.nix
index fafa4c5cbf57..df9843893238 100644
--- a/nixpkgs/pkgs/development/python-modules/dnslib/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/dnslib/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "dnslib";
-  version = "0.9.12";
+  version = "0.9.13";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c206f09948f3ad17884adffdb552b700072c6022fa59744a0f0606114c475e19";
+    sha256 = "a0fed3e139c12ee4884b19bcde1d4a170745bcabb6026397876e3236ce38b9db";
   };
 
   checkPhase = "VERSIONS=${python.interpreter} ./run_tests.sh";
diff --git a/nixpkgs/pkgs/development/python-modules/doc8/default.nix b/nixpkgs/pkgs/development/python-modules/doc8/default.nix
index f7e620f491cb..c2a7df098f4b 100644
--- a/nixpkgs/pkgs/development/python-modules/doc8/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/doc8/default.nix
@@ -12,11 +12,11 @@
 
 buildPythonPackage rec {
   pname = "doc8";
-  version = "0.8.0";
+  version = "0.8.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "2df89f9c1a5abfb98ab55d0175fed633cae0cf45025b8b1e0ee5ea772be28543";
+    sha256 = "4d1df12598807cf08ffa9a1d5ef42d229ee0de42519da01b768ff27211082c12";
   };
 
   buildInputs = [ pbr ];
diff --git a/nixpkgs/pkgs/development/python-modules/docker/default.nix b/nixpkgs/pkgs/development/python-modules/docker/default.nix
index a31ba7c69c03..9c788bde123d 100644
--- a/nixpkgs/pkgs/development/python-modules/docker/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/docker/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "docker";
-  version = "4.2.0";
+  version = "4.2.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0bkj1xfp6mnvk1i9hl5awsmwi07q6iwwsjznd7kvrx5m19i6dbnx";
+    sha256 = "380a20d38fbfaa872e96ee4d0d23ad9beb0f9ed57ff1c30653cbeb0c9c0964f2";
   };
 
   nativeBuildInputs = lib.optional isPy27 mock;
diff --git a/nixpkgs/pkgs/development/python-modules/dockerfile-parse/default.nix b/nixpkgs/pkgs/development/python-modules/dockerfile-parse/default.nix
index ffed5fb170d4..580945656b4c 100644
--- a/nixpkgs/pkgs/development/python-modules/dockerfile-parse/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/dockerfile-parse/default.nix
@@ -1,12 +1,12 @@
 { stdenv, buildPythonPackage, fetchPypi, six, pytestcov, pytest }:
 
 buildPythonPackage rec {
-  version = "0.0.17";
+  version = "0.0.18";
   pname = "dockerfile-parse";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "a69d4ed44c4a890c16437327009ae59ec3a3afeb1abc3819d0c1b14a46099220";
+    sha256 = "a09eae6871b7b314f8a8bddb67b6c5002708b22247511906cf2a9a45564b83db";
   };
 
   postPatch = ''
diff --git a/nixpkgs/pkgs/development/python-modules/dot2tex/default.nix b/nixpkgs/pkgs/development/python-modules/dot2tex/default.nix
index f671cdc9642a..03445f79117f 100644
--- a/nixpkgs/pkgs/development/python-modules/dot2tex/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/dot2tex/default.nix
@@ -1,8 +1,11 @@
 { stdenv
+, python
 , buildPythonPackage
 , fetchPypi
-, isPy3k
+, substituteAll
 , pyparsing
+, graphviz
+, texlive
 }:
 
 buildPythonPackage rec {
@@ -14,11 +17,26 @@ buildPythonPackage rec {
     sha256 = "1kp77wiv7b5qib82i3y3sn9r49rym43aaqm5aw1bwnzfbbq2m6i9";
   };
 
-  # Tests fail with 3.x. Furthermore, package is no longer maintained.
-  disabled = isPy3k;
+  patches = [
+    (substituteAll {
+      src = ./path.patch;
+      inherit graphviz;
+    })
+    ./test.patch # https://github.com/kjellmf/dot2tex/issues/5
+  ];
 
   propagatedBuildInputs = [ pyparsing ];
 
+  checkInputs = [
+    (texlive.combine {
+      inherit (texlive) scheme-small preview pstricks;
+    })
+  ];
+
+  checkPhase = ''
+    ${python.interpreter} tests/test_dot2tex.py
+  '';
+
   meta = with stdenv.lib; {
     description = "Convert graphs generated by Graphviz to LaTeX friendly formats";
     homepage = "https://github.com/kjellmf/dot2tex";
diff --git a/nixpkgs/pkgs/development/python-modules/dot2tex/path.patch b/nixpkgs/pkgs/development/python-modules/dot2tex/path.patch
new file mode 100644
index 000000000000..4e05b7a8dff3
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/dot2tex/path.patch
@@ -0,0 +1,104 @@
+diff --git a/dot2tex/dotparsing.py b/dot2tex/dotparsing.py
+index 391b5dc..6dc77a3 100644
+--- a/dot2tex/dotparsing.py
++++ b/dot2tex/dotparsing.py
+@@ -180,18 +180,8 @@ def __find_executables(path):
+ def find_graphviz():
+     """Locate Graphviz's executables in the system.
+ 
+-    Tries three methods:
+-
+-    First: Windows Registry (Windows only)
+-    This requires Mark Hammond's pywin32 is installed.
+-
+-    Secondly: Search the path
+-    It will look for 'dot', 'twopi' and 'neato' in all the directories
+-    specified in the PATH environment variable.
+-
+-    Thirdly: Default install location (Windows only)
+-    It will look for 'dot', 'twopi' and 'neato' in the default install
+-    location under the "Program Files" directory.
++    It will look for 'dot', 'twopi' and 'neato' in
++    @graphviz@/bin.
+ 
+     It will return a dictionary containing the program names as keys
+     and their paths as values.
+@@ -199,75 +189,9 @@ def find_graphviz():
+     If this fails, it returns None.
+     """
+ 
+-    # Method 1 (Windows only)
+-    #
+-    if os.sys.platform == 'win32':
+-        try:
+-            import win32api, win32con
+-
+-            # Get the GraphViz install path from the registry
+-            #
+-            hkey = win32api.RegOpenKeyEx(win32con.HKEY_LOCAL_MACHINE,
+-                                         "SOFTWARE\AT&T Research Labs\Graphviz", 0, win32con.KEY_QUERY_VALUE)
+-
+-            path = win32api.RegQueryValueEx(hkey, "InstallPath")[0]
+-            win32api.RegCloseKey(hkey)
+-
+-            # Now append the "bin" subdirectory:
+-            #
+-            path = os.path.join(path, "bin")
+-            progs = __find_executables(path)
+-            if progs is not None:
+-                # print("Used Windows registry")
+-                return progs
+-
+-        except ImportError:
+-            # Print a messaged suggesting they install these?
+-            #
+-            log.debug('The win32api is not installed')
+-            pass
+-        except:
+-            log.debug('Failed to access the registry key')
+-
+-    # Method 2 (Linux, Windows etc)
+-    #
+-    if 'PATH' in os.environ:
+-        for path in os.environ['PATH'].split(os.pathsep):
+-            progs = __find_executables(path)
+-            if progs is not None:
+-                return progs
+-
+-    # Method 3 (Windows only)
+-    #
+-    if os.sys.platform == 'win32':
+-        # Try and work out the equivalent of "C:\Program Files" on this
+-        # machine (might be on drive D:, or in a different language)
+-        #
+-        if 'PROGRAMFILES' in os.environ:
+-            # Note, we could also use the win32api to get this
+-            # information, but win32api may not be installed.
+-
+-            path = os.path.join(os.environ['PROGRAMFILES'], 'ATT', 'GraphViz', 'bin')
+-
+-        else:
+-            # Just in case, try the default...
+-            path = r"C:\Program Files\att\Graphviz\bin"
+-
+-        progs = __find_executables(path)
+-
+-        if progs is not None:
+-            # print("Used default install location")
+-            return progs
+-
+-    for path in (
+-            '/usr/bin', '/usr/local/bin',
+-            '/opt/local/bin',
+-            '/opt/bin', '/sw/bin', '/usr/share',
+-            '/Applications/Graphviz.app/Contents/MacOS/'):
+-        progs = __find_executables(path)
+-        if progs is not None:
+-            # print("Used path")
+-            return progs
++    progs = __find_executables('@graphviz@/bin')
++    if progs is not None:
++        return progs
+ 
+     # Failed to find GraphViz
+     #
diff --git a/nixpkgs/pkgs/development/python-modules/dot2tex/test.patch b/nixpkgs/pkgs/development/python-modules/dot2tex/test.patch
new file mode 100644
index 000000000000..9ead8ac5ee5c
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/dot2tex/test.patch
@@ -0,0 +1,12 @@
+diff --git a/tests/test_dot2tex.py b/tests/test_dot2tex.py
+index 74b01ed..7be9aba 100644
+--- a/tests/test_dot2tex.py
++++ b/tests/test_dot2tex.py
+@@ -147,6 +147,7 @@ class NeedsQuotesTests(unittest.TestCase):
+ 
+ class MultipleStatements(unittest.TestCase):
+     # https://github.com/kjellmf/dot2tex/issues/5
++    @unittest.skip('fails upstream')
+     def test_semicolon(self):
+         """Test for issue 5"""
+         testgraph1 = """
diff --git a/nixpkgs/pkgs/development/python-modules/duecredit/default.nix b/nixpkgs/pkgs/development/python-modules/duecredit/default.nix
new file mode 100644
index 000000000000..28aaf8ee47c9
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/duecredit/default.nix
@@ -0,0 +1,37 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPy27
+, contextlib2
+, pytest
+, pytestCheckHook
+, vcrpy
+, citeproc-py
+, requests
+, setuptools
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "duecredit";
+  version = "0.8.0";
+  disabled = isPy27;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1yxd8579pakrfhq0hls0iy37nxllsm8y33na220g08znibrp7ix0";
+  };
+
+  # bin/duecredit requires setuptools at runtime
+  propagatedBuildInputs = [ citeproc-py requests setuptools six ];
+
+  checkInputs = [ contextlib2 pytest pytestCheckHook vcrpy ];
+  disabledTests = [ "test_io" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/duecredit/duecredit";
+    description = "Simple framework to embed references in code";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ bcdarwin ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/elasticsearch-dsl/default.nix b/nixpkgs/pkgs/development/python-modules/elasticsearch-dsl/default.nix
index 712766fa58e2..68d658f4989e 100644
--- a/nixpkgs/pkgs/development/python-modules/elasticsearch-dsl/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/elasticsearch-dsl/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "elasticsearch-dsl";
-  version = "7.2.0";
+  version = "7.2.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "19q91srlcvfrk5rnk18c0mzvki9l893g7rqgymfg0p8abb9c05a0";
+    sha256 = "1e345535164cb684de4b825e1d0daf81b75554b30d3905446584a9e4af0cc3e7";
   };
 
   propagatedBuildInputs = [ elasticsearch python-dateutil six ]
diff --git a/nixpkgs/pkgs/development/python-modules/elasticsearch/default.nix b/nixpkgs/pkgs/development/python-modules/elasticsearch/default.nix
index 821a890346fc..b04bc9069f71 100644
--- a/nixpkgs/pkgs/development/python-modules/elasticsearch/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/elasticsearch/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage (rec {
   pname = "elasticsearch";
-  version = "7.7.0";
+  version = "7.7.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1fm6lalyiy4ayj0mp400dvy629j2av5cqww72w4cg8bqifb83pim";
+    sha256 = "9bfcb2bd137d6d7ca123e252b9d7261cfe4f7723f7b749a99c52b47766cf387c";
   };
 
   # Check is disabled because running them destroy the content of the local cluster!
diff --git a/nixpkgs/pkgs/development/python-modules/eve/default.nix b/nixpkgs/pkgs/development/python-modules/eve/default.nix
index 7a74de03d522..062d6e3bedb8 100644
--- a/nixpkgs/pkgs/development/python-modules/eve/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/eve/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "Eve";
-  version = "1.1";
+  version = "1.1.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1a7i7x77p5wjqfzmgn30m9sz2mcz06k4qf5af6a45109lafcq0bv";
+    sha256 = "dbb409c481ffd5100a5ab13177f6ef6284257e33ac8e5090cd50e42533607ebd";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/fake-useragent/default.nix b/nixpkgs/pkgs/development/python-modules/fake-useragent/default.nix
new file mode 100644
index 000000000000..fb85408dd3d2
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/fake-useragent/default.nix
@@ -0,0 +1,22 @@
+{ stdenv, fetchPypi, buildPythonPackage, six, pytest }:
+
+buildPythonPackage rec {
+  pname = "fake-useragent";
+  version = "0.1.11";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0dfz3bpmjmaxlhda6hfgsac7afb65pljibi8zkp9gc0ffn5rj161";
+  };
+
+  propagatedBuildInputs = [ six ];
+
+  checkInputs = [ pytest ];
+
+  meta = with stdenv.lib; {
+    description = "Up to date simple useragent faker with real world database";
+    homepage = "https://github.com/hellysmile/fake-useragent";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ evanjs ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/ffmpeg-python/default.nix b/nixpkgs/pkgs/development/python-modules/ffmpeg-python/default.nix
index ae7dc43020b5..51b0060cb2d6 100644
--- a/nixpkgs/pkgs/development/python-modules/ffmpeg-python/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/ffmpeg-python/default.nix
@@ -2,7 +2,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , substituteAll
-, ffmpeg
+, ffmpeg_3
 , future
 , pytest
 , pytestrunner
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     (
       substituteAll {
         src = ./ffmpeg-location.patch;
-        inherit ffmpeg;
+        ffmpeg = ffmpeg_3;
       }
     )
   ];
diff --git a/nixpkgs/pkgs/development/python-modules/flask-autoindex/default.nix b/nixpkgs/pkgs/development/python-modules/flask-autoindex/default.nix
index 48a80f097712..26b6977116fd 100644
--- a/nixpkgs/pkgs/development/python-modules/flask-autoindex/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/flask-autoindex/default.nix
@@ -1,9 +1,11 @@
-{ stdenv
+{ lib
 , buildPythonPackage
+, pythonOlder
 , fetchPypi
 , flask
 , flask-silk
 , future
+, pathlib
 }:
 
 buildPythonPackage rec {
@@ -19,9 +21,11 @@ buildPythonPackage rec {
     flask
     flask-silk
     future
+  ] ++ lib.optionals (pythonOlder "3.4") [
+    pathlib
   ];
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "The mod_autoindex for Flask";
     longDescription = ''
       Flask-AutoIndex generates an index page for your Flask application automatically.
diff --git a/nixpkgs/pkgs/development/python-modules/flask-sqlalchemy/default.nix b/nixpkgs/pkgs/development/python-modules/flask-sqlalchemy/default.nix
index 2453bb50766d..594af9f74bf4 100644
--- a/nixpkgs/pkgs/development/python-modules/flask-sqlalchemy/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/flask-sqlalchemy/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "Flask-SQLAlchemy";
-  version = "2.4.1";
+  version = "2.4.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "6974785d913666587949f7c2946f7001e4fa2cb2d19f4e69ead02e4b8f50b33d";
+    sha256 = "0b656fbf87c5f24109d859bafa791d29751fabbda2302b606881ae5485b557a5";
   };
 
   propagatedBuildInputs = [ flask sqlalchemy ];
diff --git a/nixpkgs/pkgs/development/python-modules/flower/default.nix b/nixpkgs/pkgs/development/python-modules/flower/default.nix
index 2b5781341742..3a2f987ed510 100644
--- a/nixpkgs/pkgs/development/python-modules/flower/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/flower/default.nix
@@ -1,22 +1,42 @@
-{ lib, buildPythonPackage, fetchPypi, Babel, celery, importlib-metadata, pytz, tornado, mock }:
+{ lib
+, buildPythonPackage
+, fetchPypi
+, Babel
+, celery
+, future
+, humanize
+, importlib-metadata
+, mock
+, pytz
+, tornado
+}:
 
 buildPythonPackage rec {
   pname = "flower";
   version = "0.9.4";
-  
+
   src = fetchPypi {
     inherit pname version;
     sha256 = "25782840f7ffc25dcf478d94535a2d815448de4aa6c71426be6abfa9ca417448";
   };
 
-  propagatedBuildInputs = [ Babel celery importlib-metadata pytz tornado ];
-  
+  # flower and humanize aren't listed in setup.py but imported
+  propagatedBuildInputs = [
+    Babel
+    celery
+    future
+    importlib-metadata
+    pytz
+    tornado
+    humanize
+  ];
+
   checkInputs = [ mock ];
-  
+
   meta = with lib; {
     description = "Celery Flower";
     homepage = "https://github.com/mher/flower";
-    license = licenses.bsdOriginal;    
+    license = licenses.bsdOriginal;
     maintainers = [ maintainers.arnoldfarkas ];
   };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/geoalchemy2/default.nix b/nixpkgs/pkgs/development/python-modules/geoalchemy2/default.nix
index e4fbb37c966e..892b373f065c 100644
--- a/nixpkgs/pkgs/development/python-modules/geoalchemy2/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/geoalchemy2/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "GeoAlchemy2";
-  version = "0.8.0";
+  version = "0.8.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0kqxm9imqjbhjj5imvf2kl57di454xmnnsr3i0cs66ibq90nx5m8";
+    sha256 = "a5a2444d90ce7f2c6b2d7bd7346c8aed16fd32c3e190e631576a51814e8f7ee9";
   };
 
   propagatedBuildInputs = [ sqlalchemy shapely ];
diff --git a/nixpkgs/pkgs/development/python-modules/gidgethub/default.nix b/nixpkgs/pkgs/development/python-modules/gidgethub/default.nix
index 634d7c2ddc04..a9214cf49f70 100644
--- a/nixpkgs/pkgs/development/python-modules/gidgethub/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/gidgethub/default.nix
@@ -11,22 +11,26 @@
 , tornado
 , aiohttp
 , uritemplate
+, pyjwt
 }:
 
 buildPythonPackage rec {
   pname = "gidgethub";
-  version = "3.2.0";
+  version = "4.1.1";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8f4b69063a256994d38243cc0eba4e1453017b5b8b04a173216d02d47ffc3989";
+    sha256 = "13nzc40c71kxvjxahgnc6c974xp5fpm02gqymwgfjbj2dmlzmayg";
   };
 
   nativeBuildInputs = [ setuptools pytestrunner ];
   checkInputs = [ pytest pytest-asyncio twisted treq tornado aiohttp ];
-  propagatedBuildInputs = [ uritemplate ];
+  propagatedBuildInputs = [
+    uritemplate
+    pyjwt
+  ];
 
   postPatch = ''
     substituteInPlace setup.py \
diff --git a/nixpkgs/pkgs/development/python-modules/google-api-python-client/default.nix b/nixpkgs/pkgs/development/python-modules/google-api-python-client/default.nix
index 12668e979d2d..c70496b2b9fa 100644
--- a/nixpkgs/pkgs/development/python-modules/google-api-python-client/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/google-api-python-client/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "google-api-python-client";
-  version = "1.8.4";
+  version = "1.9.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "06csvbpdv3kl806nqvh5hpag86wpafp1q9r07m7kc1fw3xhi5qmv";
+    sha256 = "0nfqf62g3l7ij779ind41p800ahdjijkhqx8nq6y029p98672c52";
   };
 
   # No tests included in archive
diff --git a/nixpkgs/pkgs/development/python-modules/google_api_core/default.nix b/nixpkgs/pkgs/development/python-modules/google_api_core/default.nix
index f3209c2d5203..1efec99d8f72 100644
--- a/nixpkgs/pkgs/development/python-modules/google_api_core/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/google_api_core/default.nix
@@ -1,14 +1,16 @@
 { lib, buildPythonPackage, fetchPypi, pythonOlder, isPy27
-, google_auth, protobuf, googleapis_common_protos, requests, setuptools, grpcio, mock }:
+, google_auth, protobuf, googleapis_common_protos, requests, setuptools, grpcio
+, mock
+}:
 
 buildPythonPackage rec {
   pname = "google-api-core";
-  version = "1.16.0";
+  version = "1.17.0";
   disabled = isPy27; # google namespace no longer works on python2
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1qh30ji399gngv2j1czzvi3h0mgx3lfdx2n8qp8vii7ihyh65scj";
+    sha256 = "12fn05x2fdhqmcaspjkkny2lh66hnnl0xf6pz3idxhlx8w5jl274";
   };
 
   propagatedBuildInputs = [
@@ -27,8 +29,13 @@ buildPythonPackage rec {
   ];
 
   meta = with lib; {
-    description = "This library is not meant to stand-alone. Instead it defines common helpers used by all Google API clients.";
-    homepage = "https://github.com/GoogleCloudPlatform/google-cloud-python";
+    description = "Core Library for Google Client Libraries";
+    longDescription = ''
+      This library is not meant to stand-alone. Instead it defines common
+      helpers used by all Google API clients.
+    '';
+    homepage = "https://github.com/googleapis/python-api-core";
+    changelog = "https://github.com/googleapis/python-api-core/blob/v${version}/CHANGELOG.md";
     license = licenses.asl20;
     maintainers = with maintainers; [ ];
   };
diff --git a/nixpkgs/pkgs/development/python-modules/google_auth/default.nix b/nixpkgs/pkgs/development/python-modules/google_auth/default.nix
index d8c6a12aeaaf..92369abec6d3 100644
--- a/nixpkgs/pkgs/development/python-modules/google_auth/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/google_auth/default.nix
@@ -17,11 +17,11 @@
 
 buildPythonPackage rec {
   pname = "google-auth";
-  version = "1.11.3";
+  version = "1.16.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "05av4clwv7kdk1v55ibcv8aim6dwfg1mi4wy0vv91fr6wq3205zc";
+    sha256 = "1xd7fi7vhqbbkvwjg5fgj8bkbfjwxx4f2bb0zsnj8wci46qk4dqv";
   };
 
   propagatedBuildInputs = [ six pyasn1-modules cachetools rsa setuptools ];
@@ -43,8 +43,14 @@ buildPythonPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "This library simplifies using Google’s various server-to-server authentication mechanisms to access Google APIs.";
-    homepage = "https://google-auth.readthedocs.io/en/latest/";
+    description = "Google Auth Python Library";
+    longDescription = ''
+      This library simplifies using Google’s various server-to-server
+      authentication mechanisms to access Google APIs.
+    '';
+    homepage = "https://github.com/googleapis/google-auth-library-python";
+    changelog = "https://github.com/googleapis/google-auth-library-python/blob/v${version}/CHANGELOG.md";
+    # Documentation: https://googleapis.dev/python/google-auth/latest/index.html
     license = licenses.asl20;
     maintainers = with maintainers; [ ];
   };
diff --git a/nixpkgs/pkgs/development/python-modules/google_cloud_resource_manager/default.nix b/nixpkgs/pkgs/development/python-modules/google_cloud_resource_manager/default.nix
index d1d4217b3ccc..84fac88bcfa9 100644
--- a/nixpkgs/pkgs/development/python-modules/google_cloud_resource_manager/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/google_cloud_resource_manager/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "google-cloud-resource-manager";
-  version = "0.30.1";
+  version = "0.30.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "03n9ahf4qiyamblh217m5bjc8n57gh09xz87l2iw84c81xxdfcpg";
+    sha256 = "de7eba5235df61deee2291a2fe70b904154df613a334109488afdea7a4c0011f";
   };
 
   checkInputs = [ pytest mock ];
diff --git a/nixpkgs/pkgs/development/python-modules/google_resumable_media/default.nix b/nixpkgs/pkgs/development/python-modules/google_resumable_media/default.nix
index e9c7eecbc3a7..40c8f2596bb1 100644
--- a/nixpkgs/pkgs/development/python-modules/google_resumable_media/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/google_resumable_media/default.nix
@@ -10,11 +10,11 @@
 
 buildPythonPackage rec {
   pname = "google-resumable-media";
-  version = "0.5.0";
+  version = "0.5.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "2a8fd188afe1cbfd5998bf20602f76b0336aa892de88fe842a806b9a3ed78d2a";
+    sha256 = "97155236971970382b738921f978a6f86a7b5a0b0311703d991e065d3cb55773";
   };
 
   checkInputs = [ pytest mock ];
diff --git a/nixpkgs/pkgs/development/python-modules/greenlet/default.nix b/nixpkgs/pkgs/development/python-modules/greenlet/default.nix
index f6cff7411d21..c325c9652491 100644
--- a/nixpkgs/pkgs/development/python-modules/greenlet/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/greenlet/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "greenlet";
-  version = "0.4.15";
+  version = "0.4.16";
   disabled = isPyPy;  # builtin for pypy
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "9416443e219356e3c31f1f918a91badf2e37acf297e2fa13d24d1cc2380f8fbc";
+    sha256 = "6e06eac722676797e8fce4adb8ad3dc57a1bb3adfb0dd3fdf8306c055a38456c";
   };
 
   propagatedBuildInputs = [ six ];
diff --git a/nixpkgs/pkgs/development/python-modules/gst-python/default.nix b/nixpkgs/pkgs/development/python-modules/gst-python/default.nix
index 11080d3fbc84..00d05e189126 100644
--- a/nixpkgs/pkgs/development/python-modules/gst-python/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/gst-python/default.nix
@@ -22,7 +22,7 @@ buildPythonPackage rec {
 
   src = fetchurl {
     url = "${meta.homepage}/src/gst-python/${pname}-${version}.tar.xz";
-    sha256 = "II3zFI1z2fQW0BZWRzdYXY6nY9kSAXMtRLX+aIxiiKg=";
+    sha256 = "1a48ca66izmm8hnp608jv5isg3jxb0vlfmhns0bg9nbkilag7390";
   };
 
   nativeBuildInputs = [
@@ -45,6 +45,13 @@ buildPythonPackage rec {
       url = "https://github.com/GStreamer/gst-python/commit/f98c206bdf01529f8ea395a719b10baf2bdf717f.patch";
       sha256 = "04n4zrnfivgr7iaqw4sjlbd882s8halc2bbbhfxqf0sg2lqwmrxg";
     })
+  ] ++ [
+    # Fix linking against Python 3.8
+    # https://gitlab.freedesktop.org/gstreamer/gst-python/merge_requests/30
+    (fetchpatch {
+      url = "https://gitlab.freedesktop.org/gstreamer/gst-python/commit/22f28155d86e27c4134de4ed2861264003fcfd23.patch";
+      sha256 = "Y70qVguHUBmmRVMFBKAP0d6anBQw5W0TKyu2bAwxbQg=";
+    })
   ];
 
   mesonFlags = [
diff --git a/nixpkgs/pkgs/development/python-modules/ha-ffmpeg/default.nix b/nixpkgs/pkgs/development/python-modules/ha-ffmpeg/default.nix
index d6438c6a5b8b..cf119c1dec56 100644
--- a/nixpkgs/pkgs/development/python-modules/ha-ffmpeg/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/ha-ffmpeg/default.nix
@@ -1,5 +1,5 @@
 { stdenv, buildPythonPackage, fetchPypi, isPy3k
-, ffmpeg, async-timeout }:
+, ffmpeg_3, async-timeout }:
 
 buildPythonPackage rec {
   pname = "ha-ffmpeg";
@@ -12,7 +12,7 @@ buildPythonPackage rec {
     sha256 = "230f2fa990c9caaff1c67c2227b64756062248083849651a9bec7d599e519a42";
   };
 
-  buildInputs = [ ffmpeg ];
+  buildInputs = [ ffmpeg_3 ];
 
   propagatedBuildInputs = [ async-timeout ];
 
diff --git a/nixpkgs/pkgs/development/python-modules/hsaudiotag3k/default.nix b/nixpkgs/pkgs/development/python-modules/hsaudiotag3k/default.nix
index 28fa42b70f04..d12d3bc8c832 100644
--- a/nixpkgs/pkgs/development/python-modules/hsaudiotag3k/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/hsaudiotag3k/default.nix
@@ -6,12 +6,12 @@
 
 buildPythonPackage rec {
   pname = "hsaudiotag3k";
-  version = "1.1.3";
+  version = "1.1.3.post1";
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0bv5k5594byr2bmhh77xv10fkdpckcmxg3w380yp30aqf83rcsx3";
+    sha256 = "ef60e9210d4727e82f0095a686cb07b676d055918f0c59c5bfa8598da03e59d1";
   };
 
   # no tests
diff --git a/nixpkgs/pkgs/development/python-modules/httplib2/default.nix b/nixpkgs/pkgs/development/python-modules/httplib2/default.nix
index f0191ad8226c..5495c806dc0f 100644
--- a/nixpkgs/pkgs/development/python-modules/httplib2/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/httplib2/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "httplib2";
-  version = "0.17.3";
+  version = "0.17.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "39dd15a333f67bfb70798faa9de8a6e99c819da6ad82b77f9a259a5c7b1225a2";
+    sha256 = "1e9340ecf0187a621bdcfb407c32e04e8e09fc6ab28b050efa38f20eae0e975f";
   };
 
   # Needs setting up
diff --git a/nixpkgs/pkgs/development/python-modules/hvac/default.nix b/nixpkgs/pkgs/development/python-modules/hvac/default.nix
index a783246ee5c3..d68e12b37732 100644
--- a/nixpkgs/pkgs/development/python-modules/hvac/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/hvac/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "hvac";
-  version = "0.10.1";
+  version = "0.10.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1fcd2psvkfsqy45iygm59rzhb7qkbgv3c1dk3x3jvhy6a1ls4kkq";
+    sha256 = "391b558a465d1919a2862926ab9a7c6bef1f2ac2c46daf8dd5115080c42978e4";
   };
 
   propagatedBuildInputs = [ requests six ];
diff --git a/nixpkgs/pkgs/development/python-modules/identify/default.nix b/nixpkgs/pkgs/development/python-modules/identify/default.nix
index 19ad7317ce41..9f78298a3f3a 100644
--- a/nixpkgs/pkgs/development/python-modules/identify/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/identify/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "identify";
-  version = "1.4.16";
+  version = "1.4.19";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "19zk3qmcf0afbcbfnj7cmmgr47pxhjqwa1bfdc3fp60yy10kvbgr";
+    sha256 = "249ebc7e2066d6393d27c1b1be3b70433f824a120b1d8274d362f1eb419e3b52";
   };
 
   # Tests not included in PyPI tarball
diff --git a/nixpkgs/pkgs/development/python-modules/imageio/default.nix b/nixpkgs/pkgs/development/python-modules/imageio/default.nix
index 5433e1ea9e41..ebb7f86f5afb 100644
--- a/nixpkgs/pkgs/development/python-modules/imageio/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/imageio/default.nix
@@ -8,7 +8,7 @@
 , pytest
 , numpy
 , isPy3k
-, ffmpeg
+, ffmpeg_3
 , futures
 , enum34
 }:
@@ -23,7 +23,7 @@ buildPythonPackage rec {
   };
 
   checkInputs = [ pytest psutil ] ++ stdenv.lib.optionals isPy3k [
-    imageio-ffmpeg ffmpeg
+    imageio-ffmpeg ffmpeg_3
     ];
   propagatedBuildInputs = [ numpy pillow ] ++ stdenv.lib.optionals (!isPy3k) [
     futures
diff --git a/nixpkgs/pkgs/development/python-modules/infoqscraper/default.nix b/nixpkgs/pkgs/development/python-modules/infoqscraper/default.nix
index ce265d013785..4a1543083432 100644
--- a/nixpkgs/pkgs/development/python-modules/infoqscraper/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/infoqscraper/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   buildInputs = [ html5lib ];
-  propagatedBuildInputs = [ six beautifulsoup4 pkgs.ffmpeg pkgs.swftools pkgs.rtmpdump ];
+  propagatedBuildInputs = [ six beautifulsoup4 pkgs.ffmpeg_3 pkgs.swftools pkgs.rtmpdump ];
 
   meta = with stdenv.lib; {
     description = "Discover presentations and/or create a movie consisting of slides and audio track from an infoq url";
diff --git a/nixpkgs/pkgs/development/python-modules/ipython/7.9.nix b/nixpkgs/pkgs/development/python-modules/ipython/7.9.nix
index 4c8086def330..9953868df5f3 100644
--- a/nixpkgs/pkgs/development/python-modules/ipython/7.9.nix
+++ b/nixpkgs/pkgs/development/python-modules/ipython/7.9.nix
@@ -64,6 +64,6 @@ buildPythonPackage rec {
     description = "IPython: Productive Interactive Computing";
     homepage = "http://ipython.org/";
     license = licenses.bsd3;
-    maintainers = with maintainers; [ bjornfor fridh ];
+    maintainers = with maintainers; [ bjornfor ];
   };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/ipython/default.nix b/nixpkgs/pkgs/development/python-modules/ipython/default.nix
index 69fe73eb3423..692daa7b2f38 100644
--- a/nixpkgs/pkgs/development/python-modules/ipython/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/ipython/default.nix
@@ -22,12 +22,12 @@
 
 buildPythonPackage rec {
   pname = "ipython";
-  version = "7.14.0";
+  version = "7.15.0";
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "f0126781d0f959da852fb3089e170ed807388e986a8dd4e6ac44855845b0fb1c";
+    sha256 = "0ef1433879816a960cd3ae1ae1dc82c64732ca75cec8dab5a4e29783fb571d0e";
   };
 
   prePatch = lib.optionalString stdenv.isDarwin ''
diff --git a/nixpkgs/pkgs/development/python-modules/isbnlib/default.nix b/nixpkgs/pkgs/development/python-modules/isbnlib/default.nix
index 11ae3157615a..2c454fd9ce0c 100644
--- a/nixpkgs/pkgs/development/python-modules/isbnlib/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/isbnlib/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "isbnlib";
-  version = "3.10.1";
+  version = "3.10.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1ky5ynb8p580y2x3vpib6yrvdjgjb0wpqmdfnq5pqi3qzjyzsqra";
+    sha256 = "2295c01465fe19776b1f9432fd99fd24e61230d146ded2752e0d980ef6f4101f";
   };
 
   checkInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/iterm2/default.nix b/nixpkgs/pkgs/development/python-modules/iterm2/default.nix
new file mode 100644
index 000000000000..33504323802a
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/iterm2/default.nix
@@ -0,0 +1,31 @@
+{ lib, buildPythonPackage, fetchPypi
+, protobuf
+, websockets
+}:
+
+buildPythonPackage rec {
+  pname = "iterm2";
+  version = "1.14";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "089pln3c41n6dyh91hw9gy6mpm9s663lpmdc4gamig3g6pfmbsk4";
+  };
+
+  propagatedBuildInputs = [ protobuf websockets ];
+
+  # The tests require pyobjc. We can't use pyobjc because at
+  # time of writing the pyobjc derivation is disabled on python 3.
+  # iterm2 won't build on python 2 because it depends on websockets
+  # which is disabled below python 3.3.
+  doCheck = false;
+
+  pythonImportsCheck = [ "iterm2" ];
+
+  meta = with lib; {
+    description = "Python interface to iTerm2's scripting API";
+    homepage = "http://github.com/gnachman/iTerm2";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ jeremyschlatter ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/jc/default.nix b/nixpkgs/pkgs/development/python-modules/jc/default.nix
index 7293846178c9..e48fec89b9d7 100644
--- a/nixpkgs/pkgs/development/python-modules/jc/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/jc/default.nix
@@ -9,14 +9,14 @@
 
 buildPythonPackage rec {
   pname = "jc";
-  version = "1.11.1";
+  version = "1.11.6";
   disabled = isPy27;
 
   src = fetchFromGitHub {
     owner = "kellyjonbrazil";
     repo = "jc";
     rev = "v${version}";
-    sha256 = "0qackvhs35npgnga5riclnwqdwasc0kba48pwnrfxf0hm2i0kbgp";
+    sha256 = "0jyygq7zmam7yriiv5j4d6mpjdi2p3p7d53bn3qwfzkh4ifsbfan";
   };
 
   propagatedBuildInputs = [ ruamel_yaml xmltodict pygments ];
diff --git a/nixpkgs/pkgs/development/python-modules/jupyter-sphinx/default.nix b/nixpkgs/pkgs/development/python-modules/jupyter-sphinx/default.nix
new file mode 100644
index 000000000000..9f2143e2f20d
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/jupyter-sphinx/default.nix
@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, nbformat
+, sphinx
+, ipywidgets
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "jupyter-sphinx";
+  version = "0.2.4";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "jupyter_sphinx";
+    sha256 = "b5ba1efdd1488b385de0068036a665932ed93998e40ce3a342c60f0926781fd9";
+  };
+
+  propagatedBuildInputs = [ nbformat sphinx ipywidgets ];
+
+  doCheck = false;
+
+  disabled = pythonOlder "3.5";
+
+  meta = with lib; {
+    description = "Jupyter Sphinx Extensions";
+    homepage = "https://github.com/jupyter/jupyter-sphinx/";
+    license = licenses.bsd3;
+  };    
+
+}
\ No newline at end of file
diff --git a/nixpkgs/pkgs/development/python-modules/jupyter_client/5.nix b/nixpkgs/pkgs/development/python-modules/jupyter_client/5.nix
index 4855663ebc7d..8ce8150cbd47 100644
--- a/nixpkgs/pkgs/development/python-modules/jupyter_client/5.nix
+++ b/nixpkgs/pkgs/development/python-modules/jupyter_client/5.nix
@@ -34,6 +34,6 @@ buildPythonPackage rec {
     description = "Jupyter protocol implementation and client libraries";
     homepage = "https://jupyter.org/";
     license = lib.licenses.bsd3;
-    maintainers = with lib.maintainers; [ fridh ];
+    maintainers = with lib.maintainers; [  ];
   };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/jupyterlab/default.nix b/nixpkgs/pkgs/development/python-modules/jupyterlab/default.nix
index a8057ed06ae5..8d08fec6f5d9 100644
--- a/nixpkgs/pkgs/development/python-modules/jupyterlab/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/jupyterlab/default.nix
@@ -8,12 +8,12 @@
 
 buildPythonPackage rec {
   pname = "jupyterlab";
-  version = "2.1.2";
+  version = "2.1.4";
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "380c29d674f6dcf8e380615334c7813bb4feb7bbb6222baf1d4c9f8318f4b104";
+    sha256 = "7b5bd4a05330a01c8522ee7f1cda5cb2e0d96412d9e1e879a19b3afb63d4ac69";
   };
 
   propagatedBuildInputs = [ jupyterlab_server notebook ];
diff --git a/nixpkgs/pkgs/development/python-modules/jupyterlab_server/default.nix b/nixpkgs/pkgs/development/python-modules/jupyterlab_server/default.nix
index cd166b2d801e..9185c2940060 100644
--- a/nixpkgs/pkgs/development/python-modules/jupyterlab_server/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/jupyterlab_server/default.nix
@@ -11,12 +11,12 @@
 
 buildPythonPackage rec {
   pname = "jupyterlab_server";
-  version = "1.1.3";
+  version = "1.1.5";
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "17eac20af10167abebbeca72e7e390b9c19a400b8fffa158b5cfdcac344253d4";
+    sha256 = "3398e401b95da868bc96bdaa44fa61252bf3e68fc9dd1645bd93293cce095f6c";
   };
 
   checkInputs = [ requests pytest ];
diff --git a/nixpkgs/pkgs/development/python-modules/keras-preprocessing/default.nix b/nixpkgs/pkgs/development/python-modules/keras-preprocessing/default.nix
index cb4b6d249b60..d62a179136f4 100644
--- a/nixpkgs/pkgs/development/python-modules/keras-preprocessing/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/keras-preprocessing/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "Keras_Preprocessing";
-  version = "1.1.0";
+  version = "1.1.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1r98nm4k1svsqjyaqkfk23i31bl1kcfcyp7094yyj3c43phfp3as";
+    sha256 = "add82567c50c8bc648c14195bf544a5ce7c1f76761536956c3d2978970179ef3";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/kombu/default.nix b/nixpkgs/pkgs/development/python-modules/kombu/default.nix
index 437f03276708..27d225c6f7cf 100644
--- a/nixpkgs/pkgs/development/python-modules/kombu/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/kombu/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "kombu";
-  version = "4.6.8";
+  version = "4.6.10";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0xlv1rsfc3vn22l35csaj939zygd15nzmxbz3bcl981685vxl71d";
+    sha256 = "437b9cdea193cc2ed0b8044c85fd0f126bb3615ca2f4d4a35b39de7cacfa3c1a";
   };
 
   postPatch = ''
diff --git a/nixpkgs/pkgs/development/python-modules/libevdev/default.nix b/nixpkgs/pkgs/development/python-modules/libevdev/default.nix
new file mode 100644
index 000000000000..ab00340cfe19
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/libevdev/default.nix
@@ -0,0 +1,21 @@
+{ stdenv, buildPythonPackage, isPy27, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "libevdev";
+  version = "0.7";
+  disabled = isPy27;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "10gwj08kn2rs4waq7807mq34cbavgkpg8fpir8mvnba601b8q4r4";
+  };
+
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "Python wrapper around the libevdev C library";
+    homepage = "https://gitlab.freedesktop.org/libevdev/python-libevdev";
+    license = licenses.mit;
+    maintainers = with maintainers; [ nickhu ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/matrix-nio/default.nix b/nixpkgs/pkgs/development/python-modules/matrix-nio/default.nix
index ff4f6198aa5e..aca4bf35434b 100644
--- a/nixpkgs/pkgs/development/python-modules/matrix-nio/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/matrix-nio/default.nix
@@ -19,14 +19,14 @@
 }:
 
 buildPythonPackage rec {
-  pname = "nio";
-  version = "0.10.0";
+  pname = "matrix-nio";
+  version = "0.12.0";
 
   src = fetchFromGitHub {
     owner = "poljar";
     repo = "matrix-nio";
     rev = version;
-    sha256 = "04ryf9lrm0820hqij46hav6mgplabnyl9dfj46iwvxasn06fh2j8";
+    sha256 = "1d4jhl2xjjp31yjs4zz2cfkvzbi2vr5bsrp07s6nhyc18azxr7ba";
   };
 
   nativeBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/mautrix/default.nix b/nixpkgs/pkgs/development/python-modules/mautrix/default.nix
index a9310af1432f..362e34157676 100644
--- a/nixpkgs/pkgs/development/python-modules/mautrix/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/mautrix/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "mautrix";
-  version = "0.4.2";
+  version = "0.5.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0f8pzi7ip82p7hn6d9xrgp5wsl4s3w6gmjsgb8gjy2606f7czqyg";
+    sha256 = "0csvk3y0y2r9gnfqj91fiqprgp8dxiv4n80b6myraab5s7zn1mvv";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/meinheld/default.nix b/nixpkgs/pkgs/development/python-modules/meinheld/default.nix
index 247523a9a830..2941505184de 100644
--- a/nixpkgs/pkgs/development/python-modules/meinheld/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/meinheld/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "meinheld";
-  version = "1.0.1";
+  version = "1.0.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "447de7189e4dc9c1f425aa1b9c8210aab492fda4d86f73a24059264e7d8b0134";
+    sha256 = "008c76937ac2117cc69e032dc69cea9f85fc605de9bac1417f447c41c16a56d6";
   };
 
   propagatedBuildInputs = [ greenlet ];
diff --git a/nixpkgs/pkgs/development/python-modules/minio/default.nix b/nixpkgs/pkgs/development/python-modules/minio/default.nix
index f1255f3636c8..6fdc962cdb46 100644
--- a/nixpkgs/pkgs/development/python-modules/minio/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/minio/default.nix
@@ -1,19 +1,34 @@
 { lib, buildPythonPackage, isPy3k, fetchPypi
-, urllib3, future, python-dateutil , pytz, faker, mock, nose }:
+, configparser
+, faker
+, future
+, mock
+, nose
+, python-dateutil
+, pytz
+, pytestCheckHook
+, urllib3
+}:
 
 buildPythonPackage rec {
   pname = "minio";
   version = "5.0.10";
+  disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "6ecb7637a35f806733e9d112eacfa599a58d7c3d4698fda2b5c86fff5d34b417";
   };
 
-  disabled = !isPy3k;
+  propagatedBuildInputs = [
+    configparser
+    future
+    python-dateutil
+    pytz
+    urllib3
+  ];
 
-  checkInputs = [ faker mock nose ];
-  propagatedBuildInputs = [ urllib3 python-dateutil pytz future ];
+  checkInputs = [ faker mock nose pytestCheckHook ];
 
   meta = with lib; {
     description = "Simple APIs to access any Amazon S3 compatible object storage server";
diff --git a/nixpkgs/pkgs/development/python-modules/msgpack-numpy/default.nix b/nixpkgs/pkgs/development/python-modules/msgpack-numpy/default.nix
index d646c1ed15f2..9be30fff5383 100644
--- a/nixpkgs/pkgs/development/python-modules/msgpack-numpy/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/msgpack-numpy/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "msgpack-numpy";
-  version = "0.4.5";
+  version = "0.4.6.post0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0z3ls52iamqv6fbn1ljnd5nnnzaiakczciry5c3vym5r77wgc9mg";
+    sha256 = "dfcb0c9cb5850e656344ac464a260e7b8b9b1c62d77c2e1d3d9ef15a88f1df6b";
   };
 
   buildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/multidict/default.nix b/nixpkgs/pkgs/development/python-modules/multidict/default.nix
index 155395efa4ad..d818a63cd5d0 100644
--- a/nixpkgs/pkgs/development/python-modules/multidict/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/multidict/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "multidict";
-  version = "4.7.5";
+  version = "4.7.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "aee283c49601fa4c13adc64c09c978838a7e812f85377ae130a24d7198c0331e";
+    sha256 = "fbb77a75e529021e7c4a8d4e823d88ef4d23674a202be4f5addffc72cbb91430";
   };
 
   checkInputs = [ pytest pytestrunner pytestcov ];
diff --git a/nixpkgs/pkgs/development/python-modules/nbformat/2.nix b/nixpkgs/pkgs/development/python-modules/nbformat/2.nix
index faf2cee2b008..06d02520b20d 100644
--- a/nixpkgs/pkgs/development/python-modules/nbformat/2.nix
+++ b/nixpkgs/pkgs/development/python-modules/nbformat/2.nix
@@ -36,6 +36,6 @@ buildPythonPackage rec {
     description = "The Jupyter Notebook format";
     homepage = "https://jupyter.org/";
     license = lib.licenses.bsd3;
-    maintainers = with lib.maintainers; [ fridh globin ];
+    maintainers = with lib.maintainers; [ globin ];
   };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/nix-prefetch-github/default.nix b/nixpkgs/pkgs/development/python-modules/nix-prefetch-github/default.nix
index 17e4669b6bed..56387835cc6e 100644
--- a/nixpkgs/pkgs/development/python-modules/nix-prefetch-github/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/nix-prefetch-github/default.nix
@@ -9,13 +9,17 @@
 
 buildPythonPackage rec {
   pname = "nix-prefetch-github";
-  version = "2.3.2";
+  version = "2.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "18xj618zjs13ib7f996fnl0xiqig0w48yns45nvy3xab55wximdx";
+    sha256 = "sha256-PVB/cL0NVB5pHxRMjg8TLatvIvHjfCvaRWBanVHYT+E=";
   };
 
+  # The tests for this package require nix and network access.  That's
+  # why we cannot execute them inside the building process.
+  doCheck = false;
+
   propagatedBuildInputs = [
     attrs
     click
diff --git a/nixpkgs/pkgs/development/python-modules/notebook/2.nix b/nixpkgs/pkgs/development/python-modules/notebook/2.nix
index 8b8cce2f8245..37f39c44967c 100644
--- a/nixpkgs/pkgs/development/python-modules/notebook/2.nix
+++ b/nixpkgs/pkgs/development/python-modules/notebook/2.nix
@@ -71,6 +71,6 @@ buildPythonPackage rec {
     description = "The Jupyter HTML notebook is a web-based notebook environment for interactive computing";
     homepage = "https://jupyter.org/";
     license = lib.licenses.bsd3;
-    maintainers = with lib.maintainers; [ fridh ];
+    maintainers = with lib.maintainers; [ ];
   };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/numpy/default.nix b/nixpkgs/pkgs/development/python-modules/numpy/default.nix
index 62a871fda092..0c9bac973203 100644
--- a/nixpkgs/pkgs/development/python-modules/numpy/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/numpy/default.nix
@@ -35,13 +35,13 @@ let
   };
 in buildPythonPackage rec {
   pname = "numpy";
-  version = "1.18.4";
+  version = "1.18.5";
   format = "pyproject.toml";
 
   src = fetchPypi {
     inherit pname version;
     extension = "zip";
-    sha256 = "bbcc85aaf4cd84ba057decaead058f43191cc0e30d6bc5d44fe336dc3d3f4509";
+    sha256 = "34e96e9dae65c4839bd80012023aadd6ee2ccb73ce7fdf3074c62f301e63120b";
   };
 
   nativeBuildInputs = [ gfortran pytest cython setuptoolsBuildHook ];
diff --git a/nixpkgs/pkgs/development/python-modules/owslib/default.nix b/nixpkgs/pkgs/development/python-modules/owslib/default.nix
index e5dea71c8fd8..b19e41116f02 100644
--- a/nixpkgs/pkgs/development/python-modules/owslib/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/owslib/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, dateutil, requests, pytz, pyproj , pytest } :
+{ lib, buildPythonPackage, fetchPypi, dateutil, requests, pytz, pyproj , pytest, pyyaml } :
 buildPythonPackage rec {
   pname = "OWSLib";
   version = "0.19.2";
@@ -9,7 +9,7 @@ buildPythonPackage rec {
   };
 
   buildInputs = [ pytest ];
-  propagatedBuildInputs = [ dateutil pyproj pytz requests ];
+  propagatedBuildInputs = [ dateutil pyproj pytz requests pyyaml ];
 
   # 'tests' dir not included in pypy distribution archive.
   doCheck = false;
diff --git a/nixpkgs/pkgs/development/python-modules/pandas/default.nix b/nixpkgs/pkgs/development/python-modules/pandas/default.nix
index 0f4a35420865..5d7bb4a6d696 100644
--- a/nixpkgs/pkgs/development/python-modules/pandas/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pandas/default.nix
@@ -30,11 +30,11 @@ let
 
 in buildPythonPackage rec {
   pname = "pandas";
-  version = "1.0.3";
+  version = "1.0.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "11j5s6hz29yh3rwa2rjgric0knbhp9shphd4i7hx00xr5wr2xx1j";
+    sha256 = "b35d625282baa7b51e82e52622c300a1ca9f786711b2af7cbe64f1e6831f4126";
   };
 
   checkInputs = [ pytest glibcLocales moto hypothesis ];
diff --git a/nixpkgs/pkgs/development/python-modules/pandocfilters/default.nix b/nixpkgs/pkgs/development/python-modules/pandocfilters/default.nix
index 5b87593e0c67..f688d97c91d1 100644
--- a/nixpkgs/pkgs/development/python-modules/pandocfilters/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pandocfilters/default.nix
@@ -3,7 +3,7 @@
 , fetchPypi
 }:
 
-buildPythonPackage rec{
+buildPythonPackage rec {
   version = "1.4.2";
   pname = "pandocfilters";
 
diff --git a/nixpkgs/pkgs/development/python-modules/papis/default.nix b/nixpkgs/pkgs/development/python-modules/papis/default.nix
index 39b324dd55c3..fbfb72bb8a09 100644
--- a/nixpkgs/pkgs/development/python-modules/papis/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/papis/default.nix
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     owner = "papis";
     repo = pname;
     rev = "v${version}";
-    sha256 = "kzA8nlglbjHDPEB7HRAY2dza1Umn/OYUu+ydbA1OJ5Y=";
+    sha256 = "15i79q6nr7gcpcafdz5797axmp6r3081sys07k1k2vi5b2g3qc4k";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/parsy/default.nix b/nixpkgs/pkgs/development/python-modules/parsy/default.nix
index 156da0885473..ab4aeba84b69 100644
--- a/nixpkgs/pkgs/development/python-modules/parsy/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/parsy/default.nix
@@ -21,6 +21,6 @@ buildPythonPackage rec {
     homepage = "https://github.com/python-parsy/parsy";
     description = "Easy-to-use parser combinators, for parsing in pure Python";
     license = [ licenses.mit ];
-    maintainers = with maintainers; [ aepsil0n ];
+    maintainers = with maintainers; [ edibopp ];
   };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/periodictable/default.nix b/nixpkgs/pkgs/development/python-modules/periodictable/default.nix
index e35362326805..acbfc06850e4 100644
--- a/nixpkgs/pkgs/development/python-modules/periodictable/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/periodictable/default.nix
@@ -1,6 +1,6 @@
 {lib, fetchPypi, buildPythonPackage, numpy, pyparsing}:
 
-buildPythonPackage rec{
+buildPythonPackage rec {
   pname = "periodictable";
   version = "1.5.2";
 
diff --git a/nixpkgs/pkgs/development/python-modules/phik/default.nix b/nixpkgs/pkgs/development/python-modules/phik/default.nix
index e09182d5e714..ca1b5ba65da7 100644
--- a/nixpkgs/pkgs/development/python-modules/phik/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/phik/default.nix
@@ -15,14 +15,14 @@
 
 buildPythonPackage rec {
   pname = "phik";
-  version = "0.9.11";
+  version = "0.9.12";
   format = "wheel";
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version format;
     python = "py3";
-    sha256 = "b8c36dc50265d8c0626b34e3bc74cd0edd342d9d8ecc3d78c06817200bb31d10";
+    sha256 = "c4f86e5587e5b456e69bf69d95d07fe7aafc341c40f8f3a21dd5b52272e9ae7b";
   };
 
   checkInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/phonenumbers/default.nix b/nixpkgs/pkgs/development/python-modules/phonenumbers/default.nix
index 47a60acaa0af..2ba64faad31e 100644
--- a/nixpkgs/pkgs/development/python-modules/phonenumbers/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/phonenumbers/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "phonenumbers";
-  version = "8.12.4";
+  version = "8.12.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "021dc6kdzqh9kkrsbs08x3ibmfm4xr9hqvdnsji6l0knw1zrkia6";
+    sha256 = "3586f19abeb92aa6b539d7a4757cb507cf54efcd78224e895caf20fbdde07c26";
   };
 
   meta = {
diff --git a/nixpkgs/pkgs/development/python-modules/piccata/default.nix b/nixpkgs/pkgs/development/python-modules/piccata/default.nix
index f1cfb362a80c..bbb4fcf19934 100644
--- a/nixpkgs/pkgs/development/python-modules/piccata/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/piccata/default.nix
@@ -1,16 +1,22 @@
-{ buildPythonPackage, fetchPypi, lib, ipaddress, isPy3k }:
+{ buildPythonPackage, isPy27, fetchFromGitHub, lib, ipaddress }:
 
 buildPythonPackage rec {
   pname = "piccata";
-  version = "1.0.1";
-  disabled = isPy3k;
+  version = "2.0.0";
+  disabled = isPy27;
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "45f6c98c2ea809d445040888117f99bc3ee843490d86fecc5805ff5ea41508f7";
+  src = fetchFromGitHub {
+    owner = "NordicSemiconductor";
+    repo = pname;
+    rev = version;
+    sha256 = "0pn842jcf2czjks5dphivgp1s7wiifqiv93s0a89h0wxafd6pbsr";
   };
 
-  propagatedBuildInputs = [ ipaddress ];
+  propagatedBuildInputs = [
+    ipaddress
+  ];
+
+  pythonImportsCheck = [ "piccata" ];
 
   meta = {
     description = "Simple CoAP (RFC7252) toolkit";
diff --git a/nixpkgs/pkgs/development/python-modules/pillow/6.nix b/nixpkgs/pkgs/development/python-modules/pillow/6.nix
new file mode 100644
index 000000000000..ad69f4f23450
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/pillow/6.nix
@@ -0,0 +1,82 @@
+{ stdenv, buildPythonPackage, fetchPypi, isPyPy
+, olefile
+, freetype, libjpeg, zlib, libtiff, libwebp, tcl, lcms2, tk, libX11
+, openjpeg, libimagequant
+, pytest, pytestrunner, pyroma, numpy
+}:
+
+buildPythonPackage rec {
+  pname = "Pillow";
+  version = "6.2.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0l5rv8jkdrb5q846v60v03mcq64yrhklidjkgwv6s1pda71g17yv";
+  };
+
+  # Disable imagefont tests, because they don't work well with infinality:
+  # https://github.com/python-pillow/Pillow/issues/1259
+  postPatch = ''
+    rm Tests/test_imagefont.py
+  '';
+
+  checkPhase = ''
+    runHook preCheck
+    python -m pytest -v -x -W always
+    runHook postCheck
+  '';
+
+  propagatedBuildInputs = [ olefile ];
+
+  checkInputs = [ pytest pytestrunner pyroma numpy ];
+
+  buildInputs = [
+    freetype libjpeg openjpeg libimagequant zlib libtiff libwebp tcl lcms2 ]
+    ++ stdenv.lib.optionals (isPyPy) [ tk libX11 ];
+
+  # NOTE: we use LCMS_ROOT as WEBP root since there is not other setting for webp.
+  # NOTE: The Pillow install script will, by default, add paths like /usr/lib
+  # and /usr/include to the search paths. This can break things when building
+  # on a non-NixOS system that has some libraries installed that are not
+  # installed in Nix (for example, Arch Linux has jpeg2000 but Nix doesn't
+  # build Pillow with this support). We patch the `disable_platform_guessing`
+  # setting here, instead of passing the `--disable-platform-guessing`
+  # command-line option, since the command-line option doesn't work when we run
+  # tests.
+  preConfigure = let
+    libinclude' = pkg: ''"${pkg.out}/lib", "${pkg.out}/include"'';
+    libinclude = pkg: ''"${pkg.out}/lib", "${pkg.dev}/include"'';
+  in ''
+    sed -i "setup.py" \
+        -e 's|^FREETYPE_ROOT =.*$|FREETYPE_ROOT = ${libinclude freetype}|g ;
+            s|^JPEG_ROOT =.*$|JPEG_ROOT = ${libinclude libjpeg}|g ;
+            s|^JPEG2K_ROOT =.*$|JPEG2K_ROOT = ${libinclude openjpeg}|g ;
+            s|^IMAGEQUANT_ROOT =.*$|IMAGEQUANT_ROOT = ${libinclude' libimagequant}|g ;
+            s|^ZLIB_ROOT =.*$|ZLIB_ROOT = ${libinclude zlib}|g ;
+            s|^LCMS_ROOT =.*$|LCMS_ROOT = ${libinclude lcms2}|g ;
+            s|^TIFF_ROOT =.*$|TIFF_ROOT = ${libinclude libtiff}|g ;
+            s|^TCL_ROOT=.*$|TCL_ROOT = ${libinclude' tcl}|g ;
+            s|self\.disable_platform_guessing = None|self.disable_platform_guessing = True|g ;'
+    export LDFLAGS="-L${libwebp}/lib"
+    export CFLAGS="-I${libwebp}/include"
+  ''
+  # Remove impurities
+  + stdenv.lib.optionalString stdenv.isDarwin ''
+    substituteInPlace setup.py \
+      --replace '"/Library/Frameworks",' "" \
+      --replace '"/System/Library/Frameworks"' ""
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = "https://python-pillow.github.io/";
+    description = "Fork of The Python Imaging Library (PIL)";
+    longDescription = ''
+      The Python Imaging Library (PIL) adds image processing
+      capabilities to your Python interpreter.  This library
+      supports many file formats, and provides powerful image
+      processing and graphics capabilities.
+    '';
+    license = "http://www.pythonware.com/products/pil/license.htm";
+    maintainers = with maintainers; [ goibhniu prikhi ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/pillow/default.nix b/nixpkgs/pkgs/development/python-modules/pillow/default.nix
index 4e8a47569b7e..cc9a77be7827 100644
--- a/nixpkgs/pkgs/development/python-modules/pillow/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pillow/default.nix
@@ -1,32 +1,37 @@
 { stdenv, buildPythonPackage, fetchPypi, isPyPy
 , olefile
 , freetype, libjpeg, zlib, libtiff, libwebp, tcl, lcms2, tk, libX11
-, pytestrunner
-, pytest
+, openjpeg, libimagequant
+, pyroma, numpy, pytestCheckHook
+, isPy3k
 }:
+
 buildPythonPackage rec {
   pname = "Pillow";
-  version = "6.2.2";
+  version = "7.1.2";
+
+  disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "db9ff0c251ed066d367f53b64827cc9e18ccea001b986d08c265e53625dab950";
+    sha256 = "1pdh1zzdwxilvsjg6rnl4q810pc2p2y16q6lx9gzzihb25h9kd50";
   };
 
-  doCheck = !stdenv.isDarwin && !isPyPy;
-
   # Disable imagefont tests, because they don't work well with infinality:
   # https://github.com/python-pillow/Pillow/issues/1259
   postPatch = ''
     rm Tests/test_imagefont.py
   '';
 
+  # Disable darwin tests which require executables: `iconutil` and `screencapture`
+  disabledTests = stdenv.lib.optionals stdenv.isDarwin [ "test_save" "test_grab" "test_grabclipboard" ];
+
   propagatedBuildInputs = [ olefile ];
 
-  checkInputs = [ pytest pytestrunner ];
+  checkInputs = [ pytestCheckHook pyroma numpy ];
 
   buildInputs = [
-    freetype libjpeg zlib libtiff libwebp tcl lcms2 ]
+    freetype libjpeg openjpeg libimagequant zlib libtiff libwebp tcl lcms2 ]
     ++ stdenv.lib.optionals (isPyPy) [ tk libX11 ];
 
   # NOTE: we use LCMS_ROOT as WEBP root since there is not other setting for webp.
@@ -45,6 +50,8 @@ buildPythonPackage rec {
     sed -i "setup.py" \
         -e 's|^FREETYPE_ROOT =.*$|FREETYPE_ROOT = ${libinclude freetype}|g ;
             s|^JPEG_ROOT =.*$|JPEG_ROOT = ${libinclude libjpeg}|g ;
+            s|^JPEG2K_ROOT =.*$|JPEG2K_ROOT = ${libinclude openjpeg}|g ;
+            s|^IMAGEQUANT_ROOT =.*$|IMAGEQUANT_ROOT = ${libinclude' libimagequant}|g ;
             s|^ZLIB_ROOT =.*$|ZLIB_ROOT = ${libinclude zlib}|g ;
             s|^LCMS_ROOT =.*$|LCMS_ROOT = ${libinclude lcms2}|g ;
             s|^TIFF_ROOT =.*$|TIFF_ROOT = ${libinclude libtiff}|g ;
@@ -61,8 +68,8 @@ buildPythonPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = "https://python-pillow.github.io/";
-    description = "Fork of The Python Imaging Library (PIL)";
+    homepage = "https://python-pillow.org/";
+    description = "The friendly PIL fork (Python Imaging Library)";
     longDescription = ''
       The Python Imaging Library (PIL) adds image processing
       capabilities to your Python interpreter.  This library
diff --git a/nixpkgs/pkgs/development/python-modules/pkgconfig/default.nix b/nixpkgs/pkgs/development/python-modules/pkgconfig/default.nix
index 2e6fb7c47058..05f13e8878a3 100644
--- a/nixpkgs/pkgs/development/python-modules/pkgconfig/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pkgconfig/default.nix
@@ -4,7 +4,13 @@ buildPythonPackage rec {
   pname = "pkgconfig";
   version = "1.5.1";
 
-  setupHook = pkgconfig.setupHook;
+  inherit (pkgconfig)
+    setupHooks
+    wrapperName
+    suffixSalt
+    targetPrefix
+    baseBinName
+  ;
 
   src = fetchPypi {
     inherit pname version;
@@ -21,7 +27,7 @@ buildPythonPackage rec {
 
   patches = [ ./executable.patch ];
   postPatch = ''
-    substituteInPlace pkgconfig/pkgconfig.py --replace 'PKG_CONFIG_EXE = "pkg-config"' 'PKG_CONFIG_EXE = "${pkgconfig}/bin/pkg-config"'
+    substituteInPlace pkgconfig/pkgconfig.py --replace 'PKG_CONFIG_EXE = "pkg-config"' 'PKG_CONFIG_EXE = "${pkgconfig}/bin/${pkgconfig.targetPrefix}pkg-config"'
   '';
 
   meta = with lib; {
diff --git a/nixpkgs/pkgs/development/python-modules/playsound/default.nix b/nixpkgs/pkgs/development/python-modules/playsound/default.nix
new file mode 100644
index 000000000000..589a8f3db819
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/playsound/default.nix
@@ -0,0 +1,28 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+}:
+
+buildPythonPackage rec {
+  pname = "playsound";
+  version = "1.2.2";
+
+  src = fetchFromGitHub {
+    owner = "TaylorSMarks";
+    repo = "playsound";
+    rev = "907f1fe73375a2156f7e0900c4b42c0a60fa1d00";
+    sha256 = "1fh3m115h0c57lj2pfhhqhmsh5awzblb7csi1xc5a6f6slhl059k";
+  };
+
+  doCheck = false;
+
+  pythonImportsCheck = [ "playsound" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/TaylorSMarks/playsound";
+    description = "Pure Python, cross platform, single function module with no dependencies for playing sounds";
+    license = licenses.mit;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ luc65r ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/pre-commit/default.nix b/nixpkgs/pkgs/development/python-modules/pre-commit/default.nix
index 6d0a7d301ede..a933093bef42 100644
--- a/nixpkgs/pkgs/development/python-modules/pre-commit/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pre-commit/default.nix
@@ -6,6 +6,7 @@
 , identify
 , importlib-metadata
 , importlib-resources
+, isPy27
 , nodeenv
 , python
 , six
@@ -15,16 +16,18 @@
 
 buildPythonPackage rec {
   pname = "pre-commit";
-  version = "1.21.0";
+  version = "2.4.0";
+  disabled = isPy27;
 
   src = fetchPypi {
     inherit version;
     pname = "pre_commit";
-    sha256 = "0l5qg1cw4a0670m96s0ryy5mqz5aslfrrnwpriqgmrnsgdixhj4g";
+    sha256 = "1l0lcl3l2544m2k8jlmblfsjn0p2hdxrzzwy646xpvp0rcs2wgkh";
   };
 
   patches = [
     ./hook-tmpl-use-the-hardcoded-path-to-pre-commit.patch
+    ./languages-use-the-hardcoded-path-to-python-binaries.patch
   ];
 
   propagatedBuildInputs = [
@@ -36,9 +39,8 @@ buildPythonPackage rec {
     six
     toml
     virtualenv
-    importlib-metadata
-  ] ++ lib.optional (pythonOlder "3.7") importlib-resources
-    ++ lib.optional (pythonOlder "3.2") futures;
+  ] ++ lib.optional (pythonOlder "3.8") importlib-metadata
+    ++ lib.optional (pythonOlder "3.7") importlib-resources;
 
   # slow and impure
   doCheck = false;
@@ -46,6 +48,10 @@ buildPythonPackage rec {
   preFixup = ''
     substituteInPlace $out/${python.sitePackages}/pre_commit/resources/hook-tmpl \
       --subst-var-by pre-commit $out
+    substituteInPlace $out/${python.sitePackages}/pre_commit/languages/python.py \
+      --subst-var-by virtualenv ${virtualenv}
+    substituteInPlace $out/${python.sitePackages}/pre_commit/languages/node.py \
+      --subst-var-by nodeenv ${nodeenv}
   '';
 
   meta = with lib; {
diff --git a/nixpkgs/pkgs/development/python-modules/pre-commit/hook-tmpl-use-the-hardcoded-path-to-pre-commit.patch b/nixpkgs/pkgs/development/python-modules/pre-commit/hook-tmpl-use-the-hardcoded-path-to-pre-commit.patch
index 23115bbbd20f..4c1b6421e090 100644
--- a/nixpkgs/pkgs/development/python-modules/pre-commit/hook-tmpl-use-the-hardcoded-path-to-pre-commit.patch
+++ b/nixpkgs/pkgs/development/python-modules/pre-commit/hook-tmpl-use-the-hardcoded-path-to-pre-commit.patch
@@ -1,25 +1,15 @@
-From d9e6999e32112602ec276634cb004eda3ca64ec3 Mon Sep 17 00:00:00 2001
-From: "Wael M. Nasreddine" <wael.nasreddine@gmail.com>
-Date: Mon, 13 Jan 2020 11:04:58 -0800
-Subject: [PATCH] hook-tmpl: use the hardcoded path to pre-commit, if found
-
----
- pre_commit/resources/hook-tmpl | 2 ++
- 1 file changed, 2 insertions(+)
-
 diff --git a/pre_commit/resources/hook-tmpl b/pre_commit/resources/hook-tmpl
-index 213d16e..3a99211 100755
+index 299144e..6d12543 100755
 --- a/pre_commit/resources/hook-tmpl
 +++ b/pre_commit/resources/hook-tmpl
-@@ -107,6 +107,8 @@ def _exe() -> Tuple[str, ...]:
-             except OSError:
-                 pass
- 
-+    if os.path.isfile('@pre-commit@/bin/pre-commit') and os.access('@pre-commit@/bin/pre-commit', os.X_OK):
-+        return ('@pre-commit@/bin/pre-commit', 'run')
-     if distutils.spawn.find_executable('pre-commit'):
-         return ('pre-commit', 'run')
- 
--- 
-2.23.1
+@@ -25,8 +25,8 @@ ARGS.append('--')
+ ARGS.extend(sys.argv[1:])
 
+ DNE = '`pre-commit` not found.  Did you forget to activate your virtualenv?'
+-if os.access(INSTALL_PYTHON, os.X_OK):
+-    CMD = [INSTALL_PYTHON, '-mpre_commit']
++if os.access('@pre-commit@/bin/pre-commit', os.X_OK):
++    CMD = ['@pre-commit@/bin/pre-commit']
+ elif which('pre-commit'):
+     CMD = ['pre-commit']
+ else:
diff --git a/nixpkgs/pkgs/development/python-modules/pre-commit/languages-use-the-hardcoded-path-to-python-binaries.patch b/nixpkgs/pkgs/development/python-modules/pre-commit/languages-use-the-hardcoded-path-to-python-binaries.patch
new file mode 100644
index 000000000000..c1bead48b345
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/pre-commit/languages-use-the-hardcoded-path-to-python-binaries.patch
@@ -0,0 +1,26 @@
+diff --git a/pre_commit/languages/node.py b/pre_commit/languages/node.py
+index 26f4919..4885ec1 100644
+--- a/pre_commit/languages/node.py
++++ b/pre_commit/languages/node.py
+@@ -82,7 +82,7 @@ def install_environment(
+         envdir = fr'\\?\{os.path.normpath(envdir)}'
+     with clean_path_on_failure(envdir):
+         cmd = [
+-            sys.executable, '-mnodeenv', '--prebuilt', '--clean-src', envdir,
++            '@nodeenv@/bin/nodeenv', '--prebuilt', '--clean-src', envdir,
+         ]
+         if version != C.DEFAULT:
+             cmd.extend(['-n', version])
+diff --git a/pre_commit/languages/python.py b/pre_commit/languages/python.py
+index e17376e..0c1d2ab 100644
+--- a/pre_commit/languages/python.py
++++ b/pre_commit/languages/python.py
+@@ -204,7 +204,7 @@ def install_environment(
+ ) -> None:
+     envdir = prefix.path(helpers.environment_dir(ENVIRONMENT_DIR, version))
+     python = norm_version(version)
+-    venv_cmd = (sys.executable, '-mvirtualenv', envdir, '-p', python)
++    venv_cmd = ('@virtualenv@/bin/virtualenv', envdir, '-p', python)
+     install_cmd = ('python', '-mpip', 'install', '.', *additional_dependencies)
+
+     with clean_path_on_failure(envdir):
diff --git a/nixpkgs/pkgs/development/python-modules/pulp/default.nix b/nixpkgs/pkgs/development/python-modules/pulp/default.nix
index 049d8720f455..ab6fda9d3d45 100644
--- a/nixpkgs/pkgs/development/python-modules/pulp/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pulp/default.nix
@@ -1,18 +1,23 @@
-{ stdenv, fetchPypi, buildPythonPackage, pyparsing }:
+{ stdenv
+, fetchPypi
+, buildPythonPackage
+, pyparsing
+}:
 
 buildPythonPackage rec {
   pname = "PuLP";
-  version = "2.0";
+  version = "2.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "fb0b0e8073aa82f3459c4241b9625e0ccd26c0838ad8253c6bc67e041901b765";
+    sha256 = "06swbi7wygh7y0kxc85q1pdhzk662375d9a5jnahgr76hkwwkybn";
   };
 
   propagatedBuildInputs = [ pyparsing ];
 
   # only one test that requires an extra
   doCheck = false;
+  pythonImportsCheck = [ "pulp" ];
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/coin-or/pulp";
diff --git a/nixpkgs/pkgs/development/python-modules/py4j/default.nix b/nixpkgs/pkgs/development/python-modules/py4j/default.nix
index cf3a68a64721..db117e04d128 100644
--- a/nixpkgs/pkgs/development/python-modules/py4j/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/py4j/default.nix
@@ -7,7 +7,6 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    extension= "zip";
     sha256 = "36ec57f43ff8ced260a18aa9a4e46c3500a730cac8860e259cbaa546c2b9db2f";
   };
 
diff --git a/nixpkgs/pkgs/development/python-modules/pyatspi/default.nix b/nixpkgs/pkgs/development/python-modules/pyatspi/default.nix
index b704e54321b9..74b9f7dfdebe 100644
--- a/nixpkgs/pkgs/development/python-modules/pyatspi/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pyatspi/default.nix
@@ -7,7 +7,7 @@ buildPythonPackage rec {
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "UTbBv5GeEB1OyQGiduhupg5Ygaj/d2PjVvGYQOX/4d0=";
+    sha256 = "1pg1zzjl167iavin6xzzm20mh3m6dvl7d8h1r571s44yj6zw2dji";
   };
 
   nativeBuildInputs = [ pkgconfig ];
diff --git a/nixpkgs/pkgs/development/python-modules/pycurl/default.nix b/nixpkgs/pkgs/development/python-modules/pycurl/default.nix
index e65ae7a167b3..7531bb8f7bbc 100644
--- a/nixpkgs/pkgs/development/python-modules/pycurl/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pycurl/default.nix
@@ -36,6 +36,8 @@ buildPythonPackage rec {
   ];
 
   # skip impure or flakey tests
+  # See also:
+  #   * https://github.com/NixOS/nixpkgs/issues/77304
   checkPhase = ''
     HOME=$TMPDIR pytest tests -k "not test_ssl_in_static_libs \
                      and not test_keyfunction \
@@ -44,7 +46,9 @@ buildPythonPackage rec {
                      and not test_libcurl_ssl_nss \
                      and not test_libcurl_ssl_openssl" \
                  --ignore=tests/getinfo_test.py \
-                 --ignore=tests/memory_mgmt_test.py
+                 --ignore=tests/memory_mgmt_test.py \
+                 --ignore=tests/multi_memory_mgmt_test.py \
+                 --ignore=tests/multi_timer_test.py
   '';
 
   preConfigure = ''
diff --git a/nixpkgs/pkgs/development/python-modules/pydantic/default.nix b/nixpkgs/pkgs/development/python-modules/pydantic/default.nix
index ef33b6fb2bd5..371bfba2f0f9 100644
--- a/nixpkgs/pkgs/development/python-modules/pydantic/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pydantic/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
+, fetchpatch
 , ujson
 , email_validator
 , typing-extensions
@@ -22,6 +23,14 @@ buildPythonPackage rec {
     sha256 = "0fwrx7p6d5vskg9ibganahiz9y9299idvdmzhjw62jy84gn1vrb4";
   };
 
+  # fix tests, remove on next version bump
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/samuelcolvin/pydantic/commit/a5b0e741e585040a0ab8b0be94dd9dc2dd3afcc7.patch";
+      sha256 = "0v91ac3dw23rm73370s2ns84vi0xqbfzpvj84zb7xdiicx8fhmf1";
+    })
+  ];
+
   propagatedBuildInputs = [
     ujson
     email_validator
diff --git a/nixpkgs/pkgs/development/python-modules/pyenchant/default.nix b/nixpkgs/pkgs/development/python-modules/pyenchant/default.nix
index 1d2686ec2992..1c82f7c9d630 100644
--- a/nixpkgs/pkgs/development/python-modules/pyenchant/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pyenchant/default.nix
@@ -7,12 +7,12 @@
 
 buildPythonPackage rec {
   pname = "pyenchant";
-  version = "3.1.0";
+  version = "3.1.1";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "14is5p40f516plzccwg6yf51zkja38abw46kybzwgyy94phr8i9b";
+    sha256 = "ce0915d7acd771fde6e8c2dce8ad0cb0e6f7c4fa8430cc96e3e7134e99aeb12f";
   };
 
   propagatedBuildInputs = [ enchant2 ];
diff --git a/nixpkgs/pkgs/development/python-modules/pygdbmi/default.nix b/nixpkgs/pkgs/development/python-modules/pygdbmi/default.nix
index 447fbdfcdc44..b3d1fb3d26df 100644
--- a/nixpkgs/pkgs/development/python-modules/pygdbmi/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pygdbmi/default.nix
@@ -1,4 +1,5 @@
-{ lib
+{ stdenv
+, lib
 , buildPythonPackage
 , fetchFromGitHub
 , gdb
@@ -19,6 +20,9 @@ buildPythonPackage rec {
 
   checkInputs = [ gdb ];
 
+  # tests require gcc for some reason
+  doCheck = !stdenv.hostPlatform.isDarwin;
+
   postPatch = ''
     # tries to execute flake8,
     # which is likely to break on flake8 updates
diff --git a/nixpkgs/pkgs/development/python-modules/pygobject/3.nix b/nixpkgs/pkgs/development/python-modules/pygobject/3.nix
index 2a1b8bcb4105..74606902722a 100644
--- a/nixpkgs/pkgs/development/python-modules/pygobject/3.nix
+++ b/nixpkgs/pkgs/development/python-modules/pygobject/3.nix
@@ -9,7 +9,7 @@ buildPythonPackage rec {
 
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "hoPS37W6qeUBqaZO66XCwRF+rbeBqxzXqdJVg0r22u8=";
+    sha256 = "1vysyr586mfjm7biraw1nynpw4f1qajynkm6m40ybadsnpgx50w6";
   };
 
   outputs = [ "out" "dev" ];
diff --git a/nixpkgs/pkgs/development/python-modules/pyhomematic/default.nix b/nixpkgs/pkgs/development/python-modules/pyhomematic/default.nix
index 5349ea994a44..14bf1cfe7be0 100644
--- a/nixpkgs/pkgs/development/python-modules/pyhomematic/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pyhomematic/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "pyhomematic";
-  version = "0.1.66";
+  version = "0.1.67";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "f046db8406ee8a1aea6f6b05de8a133d3459b990c065c3f66446050e9aad5d79";
+    sha256 = "2d18e0059367e9e32d6472023322113fce431bcc72187b4a6eb7402fe5d2794b";
   };
 
   # PyPI tarball does not include tests/ directory
diff --git a/nixpkgs/pkgs/development/python-modules/pymupdf/default.nix b/nixpkgs/pkgs/development/python-modules/pymupdf/default.nix
index 1625b15f2ee9..c91892585d60 100644
--- a/nixpkgs/pkgs/development/python-modules/pymupdf/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pymupdf/default.nix
@@ -1,11 +1,11 @@
 { stdenv, buildPythonPackage, fetchPypi, mupdf, swig }:
 buildPythonPackage rec {
   pname = "PyMuPDF";
-  version = "1.16.18";
+  version = "1.17.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0gpcmmcjgwc6x4rn6nm3akiijdkpa9nahsw2x8a0i7z7kzj4firk";
+    sha256 = "0de92a8fb65db6e661594cc5865a340a2daac3cb9bb58e030820769ece1343c1";
   };
 
   patchPhase = ''
diff --git a/nixpkgs/pkgs/development/python-modules/pynput/default.nix b/nixpkgs/pkgs/development/python-modules/pynput/default.nix
new file mode 100644
index 000000000000..2b83f4c1223b
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/pynput/default.nix
@@ -0,0 +1,25 @@
+{ stdenv, buildPythonPackage, fetchPypi, sphinx, setuptools-lint, xlib }:
+
+buildPythonPackage rec {
+  pname = "pynput";
+  version = "1.6.8";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "16h4wn7f54rw30jrya7rmqkx3f51pxn8cplid95v880md8yqdhb8";
+  };
+
+  nativeBuildInputs = [ sphinx ];
+
+  propagatedBuildInputs = [ setuptools-lint xlib ];
+
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "A library to control and monitor input devices";
+    homepage = "https://github.com/moses-palmer/pynput";
+    license = licenses.lgpl3;
+    maintainers = with maintainers; [ nickhu ];
+  };
+}
+
diff --git a/nixpkgs/pkgs/development/python-modules/pysonos/default.nix b/nixpkgs/pkgs/development/python-modules/pysonos/default.nix
index 67e8e5573d7f..427c42545c5a 100644
--- a/nixpkgs/pkgs/development/python-modules/pysonos/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pysonos/default.nix
@@ -13,13 +13,13 @@
 
 buildPythonPackage rec {
   pname = "pysonos";
-  version = "0.0.28";
+  version = "0.0.31";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "09852c0bfe07e3529f8665527381f586c7ea3beabcd7291311e679d56459069d";
+    sha256 = "03f21d2fb27cd938bd2c47f8582c0737eb7426a0cd59e5a60171fabe5e963e62";
   };
 
   propagatedBuildInputs = [ xmltodict requests ifaddr ];
diff --git a/nixpkgs/pkgs/development/python-modules/pytest-dependency/default.nix b/nixpkgs/pkgs/development/python-modules/pytest-dependency/default.nix
index 13806781125e..9e570a801f99 100644
--- a/nixpkgs/pkgs/development/python-modules/pytest-dependency/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pytest-dependency/default.nix
@@ -1,23 +1,14 @@
 { stdenv, buildPythonPackage, fetchPypi, fetchpatch, pytest }:
 
 buildPythonPackage rec {
-  version = "0.4.0";
+  version = "0.5.1";
   pname = "pytest-dependency";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "bda0ef48e6a44c091399b12ab4a7e580d2dd8294c222b301f88d7d57f47ba142";
+    sha256 = "c2a892906192663f85030a6ab91304e508e546cddfe557d692d61ec57a1d946b";
   };
 
-  patches = [
-    # Fix tests for pytest>=4.2.0. Remove with the next release
-    (fetchpatch {
-      url = "https://github.com/RKrahl/pytest-dependency/commit/089395bf77e629ee789666361ee12395d840252c.patch";
-      sha256 = "1nkha2gndrr3mx11kx2ipxhphqd6wr25hvkrfwzyrispqfhgl0wm";
-      excludes = [ "doc/src/changelog.rst" ];
-    })
-  ];
-
   propagatedBuildInputs = [ pytest ];
 
   checkInputs = [ pytest ];
diff --git a/nixpkgs/pkgs/development/python-modules/pytest-factoryboy/default.nix b/nixpkgs/pkgs/development/python-modules/pytest-factoryboy/default.nix
new file mode 100644
index 000000000000..44a59730146c
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/pytest-factoryboy/default.nix
@@ -0,0 +1,43 @@
+{ stdenv
+, fetchFromGitHub
+, buildPythonPackage
+, pytestCheckHook
+, pytest
+, inflection
+, factory_boy
+, pytestcache
+, pytestcov
+, pytestpep8
+, mock
+}:
+
+buildPythonPackage rec {
+  pname = "pytest-factoryboy";
+  version = "2.0.3";
+
+  src = fetchFromGitHub {
+    owner = "pytest-dev";
+    repo = "pytest-factoryboy";
+    rev = version;
+    sha256 = "0m1snyybq2k51khlydhisq300vzys897vdbsicph628iran950hn";
+  };
+
+  propagatedBuildInputs = [ factory_boy inflection pytest ];
+
+  # The project uses tox, which we can't. So we simply run pytest manually.
+  checkInputs = [
+    mock
+    pytestCheckHook
+    pytestcache
+    pytestcov
+    pytestpep8
+  ];
+  pytestFlagsArray = [ "--ignore=docs" ];
+
+  meta = with stdenv.lib; {
+    description = "Integration of factory_boy into the pytest runner.";
+    homepage = "https://pytest-factoryboy.readthedocs.io/en/latest/";
+    maintainers = with maintainers; [ winpat ];
+    license = licenses.mit;
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/pytest-flake8/default.nix b/nixpkgs/pkgs/development/python-modules/pytest-flake8/default.nix
index af1cbb2add51..a5ed447aceac 100644
--- a/nixpkgs/pkgs/development/python-modules/pytest-flake8/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pytest-flake8/default.nix
@@ -2,7 +2,7 @@
 
 buildPythonPackage rec {
   pname = "pytest-flake8";
-  version = "1.0.5";
+  version = "1.0.6";
 
   # although pytest is a runtime dependency, do not add it as
   # propagatedBuildInputs in order to allow packages depend on another version
@@ -12,7 +12,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d85efaafbdb9580791cfa8671799dd40d482fc30bd4476c1ca5efd661e751333";
+    sha256 = "1b82bb58c88eb1db40524018d3fcfd0424575029703b4e2d8e3ee873f2b17027";
   };
 
   checkPhase = ''
diff --git a/nixpkgs/pkgs/development/python-modules/pytest/default.nix b/nixpkgs/pkgs/development/python-modules/pytest/default.nix
index 9e0cd88cf0a4..daf43961ea67 100644
--- a/nixpkgs/pkgs/development/python-modules/pytest/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pytest/default.nix
@@ -19,7 +19,7 @@
 }:
 
 buildPythonPackage rec {
-  version = "5.4.2";
+  version = "5.4.3";
   pname = "pytest";
 
   disabled = !isPy3k;
@@ -31,7 +31,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "eb2b5e935f6a019317e455b6da83dd8650ac9ffd2ee73a7b657a30873d67a698";
+    sha256 = "7979331bfcba207414f5e1263b5a0f8f521d0f457318836a7355531ed1a4c7d8";
   };
 
   checkInputs = [ hypothesis pygments ];
diff --git a/nixpkgs/pkgs/development/python-modules/python-daemon/default.nix b/nixpkgs/pkgs/development/python-modules/python-daemon/default.nix
index e33aee6c1c91..d8b501d62e5a 100644
--- a/nixpkgs/pkgs/development/python-modules/python-daemon/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/python-daemon/default.nix
@@ -2,7 +2,7 @@
 , docutils
 , lockfile
 , mock
-, pytest
+, pytest_4
 , testscenarios
 , twine
 }:
@@ -19,7 +19,7 @@ buildPythonPackage rec {
   nativeBuildInputs = [ twine ];
   propagatedBuildInputs = [ docutils lockfile ];
 
-  checkInputs = [ pytest mock testscenarios ];
+  checkInputs = [ pytest_4 mock testscenarios ];
   checkPhase = ''
     pytest -k 'not detaches_process_context \
                 and not standard_stream_file_descriptors'
diff --git a/nixpkgs/pkgs/development/python-modules/python-engineio/default.nix b/nixpkgs/pkgs/development/python-modules/python-engineio/default.nix
index 128fb8961d4d..cb3fe1a9f38d 100644
--- a/nixpkgs/pkgs/development/python-modules/python-engineio/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/python-engineio/default.nix
@@ -47,7 +47,6 @@ buildPythonPackage rec {
     description = "Engine.IO server";
     homepage = "https://github.com/miguelgrinberg/python-engineio/";
     license = licenses.mit;
-    platforms = platforms.linux;
     maintainers = [ maintainers.mic92 ];
   };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/python-lz4/default.nix b/nixpkgs/pkgs/development/python-modules/python-lz4/default.nix
index 4c66ed02cfca..e9317d3f7c67 100644
--- a/nixpkgs/pkgs/development/python-modules/python-lz4/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/python-lz4/default.nix
@@ -23,7 +23,7 @@ buildPythonPackage rec {
     sha256 = "02cadqfdmw4vc94px18dh4hcybpsa2lr6jz6j5phwc0jjaavh3wr";
   };
 
-  buildInputs = [ setuptools_scm pkgconfig pytestrunner ];
+  nativeBuildInputs = [ setuptools_scm pkgconfig pytestrunner ];
   checkInputs = [ pytest pytestcov psutil ];
   propagatedBuildInputs = lib.optionals (!isPy3k) [ future ];
 
diff --git a/nixpkgs/pkgs/development/python-modules/python-miio/default.nix b/nixpkgs/pkgs/development/python-modules/python-miio/default.nix
index 5b8c140df67e..a18645697089 100644
--- a/nixpkgs/pkgs/development/python-modules/python-miio/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/python-miio/default.nix
@@ -15,11 +15,11 @@
 
 buildPythonPackage rec {
   pname = "python-miio";
-  version = "0.5.0.1";
+  version = "0.5.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "fa9c318256945ad4a8623fdf921ce81c466a7aea18b04a6711efb662f520b195";
+    sha256 = "8d23caf4906f2112dc88b9a6d5e1767877744cae016cd71c2bf75592a4be3b79";
   };
 
   checkInputs = [ pytest ];
diff --git a/nixpkgs/pkgs/development/python-modules/python-pam/default.nix b/nixpkgs/pkgs/development/python-modules/python-pam/default.nix
new file mode 100644
index 000000000000..4065cd7c0145
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/python-pam/default.nix
@@ -0,0 +1,23 @@
+{ stdenv, buildPythonPackage, fetchPypi, pam }:
+
+buildPythonPackage rec {
+  pname = "python-pam";
+  version = "1.8.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "16whhc0vr7gxsbzvsnq65nq8fs3wwmx755cavm8kkczdkz4djmn8";
+  };
+
+  postPatch = ''
+    substituteInPlace pam.py --replace 'find_library("pam")' \
+      '"${pam}/lib/libpam${stdenv.hostPlatform.extensions.sharedLibrary}"'
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Python PAM module using ctypes";
+    homepage = "https://github.com/FirefighterBlu3/python-pam";
+    maintainers = with maintainers; [ abbradar ];
+    license = licenses.mit;
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/pythonmagick/default.nix b/nixpkgs/pkgs/development/python-modules/pythonmagick/default.nix
new file mode 100644
index 000000000000..a647fa1005bc
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/pythonmagick/default.nix
@@ -0,0 +1,43 @@
+{ lib
+, buildPythonPackage
+, fetchurl
+, python
+, pkg-config
+, imagemagick
+, autoreconfHook
+, boost
+, isPy3k
+, pythonImportsCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "pythonmagick";
+  version = "0.9.16";
+  format = "other";
+
+  src = fetchurl {
+    url = "mirror://imagemagick/python/releases/PythonMagick-${version}.tar.xz";
+    sha256 = "137278mfb5079lns2mmw73x8dhpzgwha53dyl00mmhj2z25varpn";
+  };
+
+  postPatch = ''
+    rm configure
+  '';
+
+  configureFlags = [ "--with-boost=${boost}" ];
+
+  nativeBuildInputs = [ pkg-config autoreconfHook pythonImportsCheckHook ];
+  buildInputs = [ python boost imagemagick ];
+
+  pythonImportsCheck = [
+    "PythonMagick"
+  ];
+
+  disabled = isPy3k;
+
+  meta = with lib; {
+    homepage = "http://www.imagemagick.org/script/api.php";
+    license = licenses.imagemagick;
+    description = "PythonMagick provides object oriented bindings for the ImageMagick Library.";
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/pythonnet/default.nix b/nixpkgs/pkgs/development/python-modules/pythonnet/default.nix
index 0027c8d32a63..82ddb8c810b0 100644
--- a/nixpkgs/pkgs/development/python-modules/pythonnet/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pythonnet/default.nix
@@ -9,6 +9,7 @@
 , pkgconfig
 , dotnetbuildhelpers
 , clang
+, glib
 , mono
 }:
 
@@ -63,6 +64,7 @@ buildPythonPackage rec {
   ];
 
   buildInputs = [
+    glib
     mono
     psutil # needed for memory leak tests
   ];
diff --git a/nixpkgs/pkgs/development/python-modules/pytorch/default.nix b/nixpkgs/pkgs/development/python-modules/pytorch/default.nix
index 2318738411f4..80c3c6d72931 100644
--- a/nixpkgs/pkgs/development/python-modules/pytorch/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pytorch/default.nix
@@ -104,7 +104,7 @@ let
     "LD_LIBRARY_PATH=${cudaStub}\${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH ";
 
 in buildPythonPackage rec {
-  version = "1.4.1";
+  version = "1.5.0";
   pname = "pytorch";
   disabled = !isPy3k;
 
@@ -118,7 +118,7 @@ in buildPythonPackage rec {
     repo   = "pytorch";
     rev    = "v${version}";
     fetchSubmodules = true;
-    sha256 = "1aa1il4f98pswfj20cv27yfb91l1jcq4515i7mvq7sh5647yzwms";
+    sha256 = "19qyrjd72mc0llcfn50av8ym05f2iwa38gv068wykji4ph7qjlv2";
   };
 
   preConfigure = lib.optionalString cudaSupport ''
@@ -128,24 +128,6 @@ in buildPythonPackage rec {
     export CUDNN_INCLUDE_DIR=${cudnn}/include
   '';
 
-  patches = [
-    # Prevents a race condition which would be introduced by pull 30333.
-    # See https://github.com/pytorch/pytorch/issues/32277
-    # Can be removed >1.5.0.
-    (fetchpatch {
-      url = "https://patch-diff.githubusercontent.com/raw/pytorch/pytorch/pull/30332.patch";
-      sha256 = "1v9dwbhz3rdxcx6sz8y8j9n3bj6nqs78b1r8yg89yc15n6l4cqx2";
-    })
-
-    # Fixes errors with gcc-9 compilation. Cherry-picked on advice from ezyang.
-    # See https://github.com/pytorch/pytorch/issues/32277
-    # Can be removed >1.5.0.
-    (fetchpatch {
-      url = "https://patch-diff.githubusercontent.com/raw/pytorch/pytorch/pull/30333.patch";
-      sha256 = "139413fl37h2fnil0cv99a67mqqnsh02k74b92by1qyr6pcfyg3q";
-    })
-  ];
-
   # Use pytorch's custom configurations
   dontUseCmakeConfigure = true;
 
diff --git a/nixpkgs/pkgs/development/python-modules/pytrends/default.nix b/nixpkgs/pkgs/development/python-modules/pytrends/default.nix
index db7f781c5bf4..0b0bad801e12 100644
--- a/nixpkgs/pkgs/development/python-modules/pytrends/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pytrends/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "pytrends";
-  version = "4.7.2";
+  version = "4.7.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1cf80573276b3a93c4fb2ff296c260fa86e7ab43709473ce34f3bad3841f06df";
+    sha256 = "8ccb06c57c31fa157b978a0d810de7718ee46583d28cf818250d45f36abd2faa";
   };
 
   doCheck = false;
diff --git a/nixpkgs/pkgs/development/python-modules/pyxdg/default.nix b/nixpkgs/pkgs/development/python-modules/pyxdg/default.nix
index a5cb694b4c15..65cb4389583c 100644
--- a/nixpkgs/pkgs/development/python-modules/pyxdg/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/pyxdg/default.nix
@@ -1,6 +1,7 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
 }:
 
 buildPythonPackage rec {
@@ -15,6 +16,14 @@ buildPythonPackage rec {
   # error: invalid command 'test'
   doCheck = false;
 
+  patches = [ 
+    # see: https://gitlab.freedesktop.org/xdg/pyxdg/-/merge_requests/5 
+    (fetchpatch {
+      url = "https://gitlab.freedesktop.org/xdg/pyxdg/-/commit/78405aaa34463db2c6f33ca28ae2293dd3bb1e91.patch";
+      sha256 = "17cjax546rkqv5kvwczjqjdd6vmlvcxjanz0296dlfq23j2wbx63";
+    })
+  ];
+
   meta = with stdenv.lib; {
     homepage = "http://freedesktop.org/wiki/Software/pyxdg";
     description = "Contains implementations of freedesktop.org standards";
diff --git a/nixpkgs/pkgs/development/python-modules/readthedocs-sphinx-ext/default.nix b/nixpkgs/pkgs/development/python-modules/readthedocs-sphinx-ext/default.nix
index efadd4337126..68ccf676f292 100644
--- a/nixpkgs/pkgs/development/python-modules/readthedocs-sphinx-ext/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/readthedocs-sphinx-ext/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "readthedocs-sphinx-ext";
-  version = "1.0.3";
+  version = "1.0.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "faccf1c52aab34b1fdfd672ec4ce4321975453b05741e32a94b33cc682d045b2";
+    sha256 = "33dbb135373d539233f7fbdb5e8dcfa07d41254300ee23719eb9caa8c68a40ae";
   };
 
   propagatedBuildInputs = [ requests ];
diff --git a/nixpkgs/pkgs/development/python-modules/restructuredtext_lint/default.nix b/nixpkgs/pkgs/development/python-modules/restructuredtext_lint/default.nix
index 4f62d232ab5e..17bf5fbf2974 100644
--- a/nixpkgs/pkgs/development/python-modules/restructuredtext_lint/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/restructuredtext_lint/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "restructuredtext_lint";
-  version = "1.3.0";
+  version = "1.3.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "97b3da356d5b3a8514d8f1f9098febd8b41463bed6a1d9f126cf0a048b6fd908";
+    sha256 = "470e53b64817211a42805c3a104d2216f6f5834b22fe7adb637d1de4d6501fb8";
   };
 
   checkInputs = [ nose testtools ];
diff --git a/nixpkgs/pkgs/development/python-modules/rethinkdb/default.nix b/nixpkgs/pkgs/development/python-modules/rethinkdb/default.nix
index fc33d7206e76..f1239b75d481 100644
--- a/nixpkgs/pkgs/development/python-modules/rethinkdb/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/rethinkdb/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "rethinkdb";
-  version = "2.4.6";
+  version = "2.4.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "4eb4252b498af3f5d01e07d7870eb35f78b96bccc45812d313c14c5184789d74";
+    sha256 = "945b5efdc10f468fc056bd53a4e4224ec4c2fe1a7e83ae47443bbb6e7c7a1f7d";
   };
 
   doCheck = false;
diff --git a/nixpkgs/pkgs/development/python-modules/rnc2rng/default.nix b/nixpkgs/pkgs/development/python-modules/rnc2rng/default.nix
new file mode 100644
index 000000000000..8e42baf8ff74
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/rnc2rng/default.nix
@@ -0,0 +1,27 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, python
+, rply
+}:
+
+buildPythonPackage rec {
+  pname = "rnc2rng";
+  version = "2.6.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1kmp3iwxxyzjsd47j2sprd47ihhkwhb3yydih3af5bbfq0ibh1w8";
+  };
+
+  propagatedBuildInputs = [ rply ];
+
+  checkPhase = "${python.interpreter} test.py";
+
+  meta = with lib; {
+    homepage = "https://github.com/djc/rnc2rng";
+    description = "Compact to regular syntax conversion library for RELAX NG schemata";
+    license = licenses.mit;
+    maintainers = with maintainers; [ bcdarwin ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/rope/default.nix b/nixpkgs/pkgs/development/python-modules/rope/default.nix
index 6bcc05fb34d6..73b5e0b8c2b5 100644
--- a/nixpkgs/pkgs/development/python-modules/rope/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/rope/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "rope";
-  version = "0.16.0";
+  version = "0.17.0";
 
   disabled = pythonAtLeast "3.8";  # 0.17 should support Python 3.8
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1zlxdrs6ww2hm41izz67h67z9dkm0rlgw8m04vygaip0q91030yj";
+    sha256 = "1qa9nqryp05ah9b4r8cy5ph31kr9cm4ak79pvzbg7p23bxqdd2k5";
   };
 
   checkInputs = [ nose ];
diff --git a/nixpkgs/pkgs/development/python-modules/scrapy-deltafetch/default.nix b/nixpkgs/pkgs/development/python-modules/scrapy-deltafetch/default.nix
new file mode 100644
index 000000000000..cf6f8a010714
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/scrapy-deltafetch/default.nix
@@ -0,0 +1,22 @@
+{ stdenv, fetchPypi, buildPythonPackage, pytest, scrapy, bsddb3 }:
+
+buildPythonPackage rec {
+  pname = "scrapy-deltafetch";
+  version = "1.2.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1m511psddvlapg492ny36l8rzy7z4i39yx6a1agxzfz6s9b83fq8";
+  };
+
+  propagatedBuildInputs = [ bsddb3 scrapy ];
+
+  checkInputs = [ pytest ];
+
+  meta = with stdenv.lib; {
+    description = "Scrapy spider middleware to ignore requests to pages containing items seen in previous crawls";
+    homepage = "https://github.com/scrapy-plugins/scrapy-deltafetch";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ evanjs ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/scrapy-fake-useragent/default.nix b/nixpkgs/pkgs/development/python-modules/scrapy-fake-useragent/default.nix
new file mode 100644
index 000000000000..26e142434c59
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/scrapy-fake-useragent/default.nix
@@ -0,0 +1,21 @@
+{ stdenv, fetchPypi, buildPythonPackage, pytest, fake-useragent, scrapy }:
+
+buildPythonPackage rec {
+  pname = "scrapy-fake-useragent";
+  version = "1.2.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "02mayk804vdl15wjpx7jcjkc4zgrra4izf6iv00mcxq4fd4ck03l";
+  };
+
+  propagatedBuildInputs = [ fake-useragent ];
+
+  checkInputs = [ pytest scrapy ];
+
+  meta = with stdenv.lib; {
+    description = "Random User-Agent middleware based on fake-useragent";
+    homepage = "https://github.com/alecxe/scrapy-fake-useragent";
+    license = licenses.bsd3;
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/scrapy-splash/default.nix b/nixpkgs/pkgs/development/python-modules/scrapy-splash/default.nix
new file mode 100644
index 000000000000..7799186d6216
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/scrapy-splash/default.nix
@@ -0,0 +1,20 @@
+{ stdenv, fetchPypi, buildPythonPackage, pytest, hypothesis, scrapy }:
+
+buildPythonPackage rec {
+  pname = "scrapy-splash";
+  version = "0.7.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1dg7csdza2hzqskd9b9gx0v3saqsch4f0fwdp0a3p0822aqqi488";
+  };
+
+  checkInputs = [ pytest hypothesis scrapy ];
+
+  meta = with stdenv.lib; {
+    description = "Scrapy+Splash for JavaScript integration";
+    homepage = "https://github.com/scrapy-plugins/scrapy-splash";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ evanjs ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/screeninfo/default.nix b/nixpkgs/pkgs/development/python-modules/screeninfo/default.nix
new file mode 100644
index 000000000000..9ee04cb50a82
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/screeninfo/default.nix
@@ -0,0 +1,35 @@
+{ stdenv, buildPythonApplication, fetchPypi, isPy36, dataclasses, libX11, libXinerama, libXrandr }:
+
+buildPythonApplication rec {
+  pname = "screeninfo";
+  version = "0.6.5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0vcw54crdgmbzwlrfg80kd1a8p9i10yks8k0szzi0k5q80zhp8xz";
+  };
+
+  # dataclasses is a compatibility shim for python 3.6 ONLY
+  patchPhase = if isPy36 then "" else ''
+    substituteInPlace setup.py \
+      --replace "\"dataclasses\"," ""
+  '' + ''
+    substituteInPlace screeninfo/enumerators/xinerama.py \
+      --replace "load_library(\"X11\")" "ctypes.cdll.LoadLibrary(\"${libX11}/lib/libX11.so\")" \
+      --replace "load_library(\"Xinerama\")" "ctypes.cdll.LoadLibrary(\"${libXinerama}/lib/libXinerama.so\")"
+    substituteInPlace screeninfo/enumerators/xrandr.py \
+      --replace "load_library(\"X11\")" "ctypes.cdll.LoadLibrary(\"${libX11}/lib/libX11.so\")" \
+      --replace "load_library(\"Xrandr\")" "ctypes.cdll.LoadLibrary(\"${libXrandr}/lib/libXrandr.so\")"
+  '';
+
+  propagatedBuildInputs = stdenv.lib.optional isPy36 dataclasses;
+
+  buildInputs = [ libX11 libXinerama libXrandr];
+
+  meta = with stdenv.lib; {
+    description = "Fetch location and size of physical screens";
+    homepage = "https://github.com/rr-/screeninfo";
+    license = licenses.mit;
+    maintainers = [ maintainers.nickhu ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/python-modules/setuptools-lint/default.nix b/nixpkgs/pkgs/development/python-modules/setuptools-lint/default.nix
new file mode 100644
index 000000000000..fbe1528c4c3b
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/setuptools-lint/default.nix
@@ -0,0 +1,21 @@
+{ stdenv, buildPythonPackage, fetchPypi, pylint }:
+
+buildPythonPackage rec {
+  pname = "setuptools-lint";
+  version = "0.6.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "16a1ac5n7k7sx15cnk03gw3fmslab3a7m74dc45rgpldgiff3577";
+  };
+
+  propagatedBuildInputs = [ pylint ];
+
+  meta = with stdenv.lib; {
+    description = "Package to expose pylint as a lint command into setup.py";
+    homepage = "https://github.com/johnnoone/setuptools-pylint";
+    license = licenses.bsdOriginal;
+    maintainers = with maintainers; [ nickhu ];
+  };
+}
+
diff --git a/nixpkgs/pkgs/development/python-modules/shellingham/default.nix b/nixpkgs/pkgs/development/python-modules/shellingham/default.nix
index c14c5ec42659..238d394ee11e 100644
--- a/nixpkgs/pkgs/development/python-modules/shellingham/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/shellingham/default.nix
@@ -4,6 +4,7 @@
 buildPythonPackage rec {
   pname = "shellingham";
   version = "1.3.2";
+  format = "pyproject";
 
   src = fetchPypi {
     inherit pname version;
diff --git a/nixpkgs/pkgs/development/python-modules/sipsimple/default.nix b/nixpkgs/pkgs/development/python-modules/sipsimple/default.nix
index 76820b6ebc6a..d7791fcf96cb 100644
--- a/nixpkgs/pkgs/development/python-modules/sipsimple/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/sipsimple/default.nix
@@ -33,7 +33,7 @@ buildPythonPackage rec {
   '';
 
   nativeBuildInputs = [ pkgs.pkgconfig ];
-  buildInputs = with pkgs; [ alsaLib ffmpeg libv4l sqlite libvpx ];
+  buildInputs = with pkgs; [ alsaLib ffmpeg_3 libv4l sqlite libvpx ];
   propagatedBuildInputs = [ cython pkgs.openssl dnspython dateutil xcaplib msrplib lxml python-otr ];
 
   meta = with lib; {
diff --git a/nixpkgs/pkgs/development/python-modules/snapcast/default.nix b/nixpkgs/pkgs/development/python-modules/snapcast/default.nix
index 6e319a183418..93d7d1d9d9cf 100644
--- a/nixpkgs/pkgs/development/python-modules/snapcast/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/snapcast/default.nix
@@ -3,13 +3,13 @@
 
 buildPythonPackage rec {
   pname = "snapcast";
-  version = "2.1.0";
+  version = "2.1.1";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1z3c9p22pm3823jzh917c3rryv02mhigrjkjf9wlhzmjwx5vmjqf";
+    sha256 = "c3ecd63d997fbcf6e5322dc47c1f02615f1d9611cba01ec18e9c9f8c14ed824b";
   };
 
   checkInputs = [ pytest ];
diff --git a/nixpkgs/pkgs/development/python-modules/snowflake-connector-python/default.nix b/nixpkgs/pkgs/development/python-modules/snowflake-connector-python/default.nix
index 0b14a97b647f..1d8389d80640 100644
--- a/nixpkgs/pkgs/development/python-modules/snowflake-connector-python/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/snowflake-connector-python/default.nix
@@ -25,12 +25,12 @@
 
 buildPythonPackage rec {
   pname = "snowflake-connector-python";
-  version = "2.2.5";
+  version = "2.2.7";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "2f720c4989b2ad92c1fc3c221f049102155f2d8006527daa15f2b54ecfdaf652";
+    sha256 = "84974778dd8d1efd4ff87d8404d71241f90e02044b1b94a52eea567080f93ac4";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/snscrape/default.nix b/nixpkgs/pkgs/development/python-modules/snscrape/default.nix
index 9f0b805a19da..4370388959d0 100644
--- a/nixpkgs/pkgs/development/python-modules/snscrape/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/snscrape/default.nix
@@ -11,13 +11,13 @@
 
 buildPythonPackage rec {
   pname = "snscrape";
-  version = "0.3.1";
+  version = "0.3.2";
 
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "11jv5mv3l11qjlsjihd74gc1jafq0i7360cksqjkx1wv2hcc32rf";
+    sha256 = "ea038827afe439577eb109ebd1b5c481d516d489c624fc3fe6e92ec71ef42be9";
   };
 
   # There are no tests; make sure the executable works.
diff --git a/nixpkgs/pkgs/development/python-modules/somajo/default.nix b/nixpkgs/pkgs/development/python-modules/somajo/default.nix
index 306737c40028..958c9ab82662 100644
--- a/nixpkgs/pkgs/development/python-modules/somajo/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/somajo/default.nix
@@ -2,14 +2,14 @@
 
 buildPythonPackage rec {
   pname = "SoMaJo";
-  version = "2.0.5";
+  version = "2.0.6";
   disabled = !isPy3k;
 
   src = fetchFromGitHub {
     owner = "tsproisl";
     repo = pname;
     rev = "v${version}";
-    sha256 = "01zvmqilnndh2b257z7bhcc7av5vhjm1g8gmdiiw15gcd2xfmqjs";
+    sha256 = "08nicj3nj6pi6djli26gf0kf3s2da9ysn1cpkyw7j88v8vav0p7s";
   };
 
   propagatedBuildInputs = [ regex ];
diff --git a/nixpkgs/pkgs/development/python-modules/soupsieve/default.nix b/nixpkgs/pkgs/development/python-modules/soupsieve/default.nix
index b8cdd63cbde5..bb5ecbc839c2 100644
--- a/nixpkgs/pkgs/development/python-modules/soupsieve/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/soupsieve/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "soupsieve";
-  version = "1.9.5";
+  version = "1.9.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "e2c1c5dee4a1c36bcb790e0fabd5492d874b8ebd4617622c4f6a731701060dda";
+    sha256 = "7985bacc98c34923a439967c1a602dc4f1e15f923b6fcf02344184f86cc7efaa";
   };
 
   checkPhase = ''
diff --git a/nixpkgs/pkgs/development/python-modules/spacy/default.nix b/nixpkgs/pkgs/development/python-modules/spacy/default.nix
index 6a54cc1ec715..f0a143ec30c7 100644
--- a/nixpkgs/pkgs/development/python-modules/spacy/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/spacy/default.nix
@@ -21,11 +21,11 @@
 
 buildPythonPackage rec {
   pname = "spacy";
-  version = "2.2.4";
+  version = "2.3.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1fgm1zlw8mjhmk64skxs79ymhcningml13y9c9fy7rj1b1yadwzh";
+    sha256 = "0nri437dyapiq5gx8lbmjdfvqw2cnw3di13kp44rzr17bm5yh2jv";
   };
 
   propagatedBuildInputs = [
@@ -54,7 +54,7 @@ buildPythonPackage rec {
   # '';
 
   postPatch = ''
-    substituteInPlace setup.cfg --replace "thinc==7.4.0" "thinc>=7.4.0,<8"
+    substituteInPlace setup.cfg --replace "thinc==7.4.1" "thinc>=7.4.1,<8"
   '';
 
   meta = with lib; {
@@ -62,5 +62,5 @@ buildPythonPackage rec {
     homepage = "https://github.com/explosion/spaCy";
     license = licenses.mit;
     maintainers = with maintainers; [ danieldk sdll ];
-    };
+  };
 }
diff --git a/nixpkgs/pkgs/development/python-modules/spacy/models.json b/nixpkgs/pkgs/development/python-modules/spacy/models.json
index 1f1558b23c39..1c02b05d303e 100644
--- a/nixpkgs/pkgs/development/python-modules/spacy/models.json
+++ b/nixpkgs/pkgs/development/python-modules/spacy/models.json
@@ -1,108 +1,108 @@
 [{
   "pname": "de_core_news_md",
-  "version": "2.2.5",
-  "sha256": "1jkc4r0f1916k5qpmpnwawsbnrbscq250q7b1llgxi70f2xyw9gk",
+  "version": "2.3.0",
+  "sha256": "0kxir1w000r5fn1kpa38m7688xinkn2mk1m82aiwqlck3r72jdi6",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "de_core_news_sm",
-  "version": "2.2.5",
-  "sha256": "10z30hirfwa692m0zp6wk60ccvqj84i5vjaiyyzd21innysb5y3g",
+  "version": "2.3.0",
+  "sha256": "00cbmrf4njg28laysapdnp4rv4lw4yw03rxkynw1ain5fwb0izl7",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "el_core_news_md",
-  "version": "2.2.5",
-  "sha256": "1jjmf6rf1hjgqswhpqq2l5w7s351k4kk93c7rr85iv2754f71h36",
+  "version": "2.3.0",
+  "sha256": "170x8bzm5nf02mhkxyxjk58yk2639hsjb5b9prcc69500c0vmnp0",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "el_core_news_sm",
-  "version": "2.2.5",
-  "sha256": "00h55fc27d3jfm3knyidz7a4rasiz7qs4wfs3sl0ndq815yvag0l",
+  "version": "2.3.0",
+  "sha256": "10mh3za4jvr07rawzk8ps642rp11s3smraj9xvrxflik4fqkz18b",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "en_core_web_lg",
-  "version": "2.2.5",
-  "sha256": "1shd4gkshr4a92fhvrjhzn1abywnrcf548cv3dz8dhmi0wxa4klr",
+  "version": "2.3.0",
+  "sha256": "0mfa5wz31ya295jhyj489gb4qy806zmpq1zc11bvv5alv2m35if2",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "en_core_web_md",
-  "version": "2.2.5",
-  "sha256": "1x32vl2a75ps2iyhysjvdygd366zs546s82yzqwj2m7jcsdszrxy",
+  "version": "2.3.0",
+  "sha256": "1ys8sqkhiap1mq6mhbkbq8bc07lvl68xngbx725xkwvirzl5gabh",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "en_core_web_sm",
-  "version": "2.2.5",
-  "sha256": "1vna6zik7863hahxdgz0s80kbbfyw42h4c1k5jby9lkzr5jr1dk0",
+  "version": "2.3.0",
+  "sha256": "04icv9qf4pj53ll8vqxcjl2a723q1k00i7lifk8wx5saif28g37a",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "en_vectors_web_lg",
-  "version": "2.1.0",
-  "sha256": "1sq41pr70215f2s8k35x5ni4w0i4xhbzbfg3iyxgbp1b35gizg94",
+  "version": "2.3.0",
+  "sha256": "13g012rwh0bcxx3ii5mmygqzyryah1y3zd000zhidnacc1x1g743",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "es_core_news_md",
-  "version": "2.2.5",
-  "sha256": "0b50gd2mx1klr6ss0fsj58qmw2wpbawwv015pr9vq3j7jq805scl",
+  "version": "2.3.0",
+  "sha256": "0nz33bmpr3rxqbnv6vb1id8pkfsvh8ii8vqplwgb3b8772kmpzy2",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "es_core_news_sm",
-  "version": "2.2.5",
-  "sha256": "19hrpxg1a5bvf9j9wlm03rkxfkgrldky7alsgl8bdwnwq3vpbgfi",
+  "version": "2.3.0",
+  "sha256": "02xqhg4m0gg5r9yibvl02zixkll6w0nsmbdhp07y5yyaqjarc90d",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "fr_core_news_md",
-  "version": "2.2.5",
-  "sha256": "1y4dqbcwa7gg6z8q84n0j4my7gyia7a2z7pln71sqa78pin06r9b",
+  "version": "2.3.0",
+  "sha256": "04fk212ksac3bp9dj7dmzsdcnbqmbsgymsic6ddcv9zbfdv5d0db",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "fr_core_news_sm",
-  "version": "2.2.5",
-  "sha256": "1q2kvznbylyz4frxy5rbvpm5jvm7bfin8g3dks0c1k9hhdymv35y",
+  "version": "2.3.0",
+  "sha256": "0kldww855z67qfc9maa9z1lsvdf5vj5vc8gj0x3h68kv5n1xr4h0",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "it_core_news_sm",
-  "version": "2.2.5",
-  "sha256": "02r3x308s5kn62xpa2cizxfw7cyjk48zm9i6r4vhs8kycmp9z0px",
+  "version": "2.3.0",
+  "sha256": "1c3ywqa8li0j7cyvd1xqbb096y61978hd6qv7rc6cxxjdhmkrrds",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "lt_core_news_sm",
-  "version": "2.2.5",
-  "sha256": "0vy0cff1fw33srqyi93vj03rnzqr8f62p1hwi565b0sb8v3n4p08",
+  "version": "2.3.0",
+  "sha256": "0r3rbqgz4897wyhz5jli30lryb45039f4rlvn4q0364cg1pm92g9",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "nb_core_news_sm",
-  "version": "2.2.5",
-  "sha256": "1kdn3qwlmmd52sjrvi97aiv7xp260bka009jjal79l3qrz4czrw1",
+  "version": "2.3.0",
+  "sha256": "07b7xri2q3m7fvn9a2gjc1044a3f14231vr32hrw96h7k6vg95h7",
   "license": "mit"
 },
 {
   "pname": "nl_core_news_sm",
-  "version": "2.2.1",
-  "sha256": "0gw9a1j3v4f15cxcz7zr7dz7mqi2a3541b04q6kj74gg397li4ny",
+  "version": "2.3.0",
+  "sha256": "0alvz7pn7cj0yax8h5gp71vrdblh3mcsmyhzgiddsd44ry35nxnj",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "pt_core_news_sm",
-  "version": "2.2.5",
-  "sha256": "02p617ybh6wqmq1scch9dgim44rhhj0k81sbw8nysv20pc6wb89a",
+  "version": "2.3.0",
+  "sha256": "1vcvzdg9f93x0vaafkk9l9xhpmaavfj0cf0l3p06c5kx2d76f9ph",
   "license": "cc-by-sa-40"
 },
 {
   "pname": "xx_ent_wiki_sm",
-  "version": "2.2.0",
-  "sha256": "0niwnd1mdaji92yp2dqsbmr0w420gpaybb1ppbqr1rmk6bwgyhsb",
+  "version": "2.3.0",
+  "sha256": "0x3zmmybl5kh4dn5prkfmr4q5j9bh13p40qc3rhdfi0i3jxc11pn",
   "license": "cc-by-sa-40"
 }]
diff --git a/nixpkgs/pkgs/development/python-modules/sphinxcontrib-katex/default.nix b/nixpkgs/pkgs/development/python-modules/sphinxcontrib-katex/default.nix
index d3c9fe152806..95bd4b592010 100644
--- a/nixpkgs/pkgs/development/python-modules/sphinxcontrib-katex/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/sphinxcontrib-katex/default.nix
@@ -2,7 +2,7 @@
 
 buildPythonPackage rec {
   pname = "sphinxcontrib-katex";
-  version = "0.6.0";
+  version = "0.6.1";
 
   # pkgutil namespaces are broken in nixpkgs (because they can't scan multiple
   # directories). But python2 is EOL, so not supporting it should be ok.
@@ -10,7 +10,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1692q3f3z1rsd3nyxd8wrv0vscwcq2gqjbv79c8ws402y3m7y5ni";
+    sha256 = "88320b2780f350d67f84a5424973ce24aee65701e8e163a7f5856c5df3353188";
   };
 
   propagatedBuildInputs = [ sphinx ];
diff --git a/nixpkgs/pkgs/development/python-modules/sqlalchemy/default.nix b/nixpkgs/pkgs/development/python-modules/sqlalchemy/default.nix
index 9be357fbed33..cd2b00021e7b 100644
--- a/nixpkgs/pkgs/development/python-modules/sqlalchemy/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/sqlalchemy/default.nix
@@ -6,11 +6,11 @@
 
 buildPythonPackage rec {
   pname = "SQLAlchemy";
-  version = "1.3.16";
+  version = "1.3.17";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0w1xfy7j1h0dyfwk6zc6lfbv2m77lmxk7g17sbgpi08bq0kf293j";
+    sha256 = "156a27548ba4e1fed944ff9fcdc150633e61d350d673ae7baaf6c25c04ac1f71";
   };
 
   checkInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/sqlmap/default.nix b/nixpkgs/pkgs/development/python-modules/sqlmap/default.nix
index bc94ad50861a..81aede240eeb 100644
--- a/nixpkgs/pkgs/development/python-modules/sqlmap/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/sqlmap/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "sqlmap";
-  version = "1.4.5";
+  version = "1.4.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1ec0d320aca95be3ba53d1af0faefc047864dfe6328622ae10e33a6ed9446ca8";
+    sha256 = "0da3a6700a370fcd671265502c7c4aca39a1d055de9a1dcc8b9b751c9ad3efa8";
   };
 
   postPatch = ''
diff --git a/nixpkgs/pkgs/development/python-modules/stytra/default.nix b/nixpkgs/pkgs/development/python-modules/stytra/default.nix
index 970fe5a19878..9fba92ca12f7 100644
--- a/nixpkgs/pkgs/development/python-modules/stytra/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/stytra/default.nix
@@ -8,7 +8,7 @@
 , pandas
 , tables
 , git
-, ffmpeg
+, ffmpeg_3
 , scikitimage
 , matplotlib
 , qdarkstyle
@@ -30,12 +30,12 @@
 
 buildPythonPackage rec {
   pname = "stytra";
-  version = "0.8.27";
+  version = "0.8.33";
   disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8fc1ca5f75f47ec1eeb3d62722437bed4ddf598e130b3dd22f0e663f61857df5";
+    sha256 = "b0aacc8e2c1bba33c337ebc76c0d8f2971c113d298aea2a375d84a5eeff5d83e";
   };
   doCheck = false;
   checkInputs = [
@@ -55,7 +55,7 @@ buildPythonPackage rec {
     pandas
     tables
     git
-    ffmpeg
+    ffmpeg_3
     scikitimage
     matplotlib
     qdarkstyle
diff --git a/nixpkgs/pkgs/development/python-modules/telethon/default.nix b/nixpkgs/pkgs/development/python-modules/telethon/default.nix
index a125cfd9bff3..f8c0661f0cd8 100644
--- a/nixpkgs/pkgs/development/python-modules/telethon/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/telethon/default.nix
@@ -2,12 +2,12 @@
 
 buildPythonPackage rec {
   pname = "telethon";
-  version = "1.10.10";
+  version = "1.14.0";
 
   src = fetchPypi {
     inherit version;
     pname = "Telethon";
-    sha256 = "0zm3577f1l5g0i0gcxr3s0nrqy0i81ppr6vp31p550vvnlnkjsqj";
+    sha256 = "1fg12gcg6ca7rjh7m3g48m30cx4aaw5g09855nlyz2sa1kw3gfyq";
   };
 
   propagatedBuildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/tenacity/default.nix b/nixpkgs/pkgs/development/python-modules/tenacity/default.nix
index 17ce469dc1c5..18570c90c00f 100644
--- a/nixpkgs/pkgs/development/python-modules/tenacity/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/tenacity/default.nix
@@ -1,22 +1,23 @@
-{ lib, buildPythonPackage, fetchPypi, isPy27
-, pbr, six, futures, monotonic, setuptools_scm
-, pytest, sphinx, tornado
+{ lib, buildPythonPackage, fetchPypi, isPy27, isPy3k
+, pbr, six, futures, monotonic, typing, setuptools_scm
+, pytest, sphinx, tornado, typeguard
 }:
 
 buildPythonPackage rec {
   pname = "tenacity";
-  version = "6.0.0";
+  version = "6.2.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "72f397c2bb1887e048726603f3f629ea16f88cb3e61e4ed3c57e98582b8e3571";
+    sha256 = "16ikf6n6dw1kzncs6vjc4iccl76f9arln59jhiiai27lzbkr1bi9";
   };
 
   nativeBuildInputs = [ pbr setuptools_scm ];
   propagatedBuildInputs = [ six ]
-    ++ lib.optionals isPy27 [ futures monotonic ];
+    ++ lib.optionals isPy27 [ futures monotonic typing ];
 
-  checkInputs = [ pytest sphinx tornado ];
+  checkInputs = [ pytest sphinx tornado ]
+    ++ lib.optionals isPy3k [ typeguard ];
   checkPhase = if isPy27 then ''
     pytest --ignore='tenacity/tests/test_asyncio.py'
   '' else ''
diff --git a/nixpkgs/pkgs/development/python-modules/thumbor/default.nix b/nixpkgs/pkgs/development/python-modules/thumbor/default.nix
index ee805ce6300f..86a2dd200110 100644
--- a/nixpkgs/pkgs/development/python-modules/thumbor/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/thumbor/default.nix
@@ -25,7 +25,7 @@ buildPythonPackage rec {
       gifsicle = "${pkgs.gifsicle}/bin/gifsicle";
       exiftool = "${pkgs.exiftool}/bin/exiftool";
       jpegtran = "${pkgs.libjpeg}/bin/jpegtran";
-      ffmpeg = "${pkgs.ffmpeg}/bin/ffmpeg";
+      ffmpeg = "${pkgs.ffmpeg_3}/bin/ffmpeg";
     })
   ];
 
diff --git a/nixpkgs/pkgs/development/python-modules/toggl-cli/default.nix b/nixpkgs/pkgs/development/python-modules/toggl-cli/default.nix
index 62d3f2dde24d..29715dd2f53f 100644
--- a/nixpkgs/pkgs/development/python-modules/toggl-cli/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/toggl-cli/default.nix
@@ -1,13 +1,26 @@
-{ stdenv, buildPythonPackage, fetchPypi, twine, pbr, click, click-completion, validate-email,
-pendulum, ptable, requests, inquirer, pythonOlder, pytest, pytestcov, pytest-mock, faker, factory_boy,
-setuptools }:
+{ stdenv, buildPythonPackage, fetchPypi, pythonAtLeast, pythonOlder
+, click
+, click-completion
+, factory_boy
+, faker
+, inquirer
+, pbr
+, pendulum
+, ptable
+, pytest
+, pytestcov
+, pytest-mock
+, requests
+, setuptools
+, twine
+, validate-email
+}:
 
 
 buildPythonPackage rec {
   pname = "toggl-cli";
   version = "2.1.0";
-
-  disabled = pythonOlder "3.5";
+  disabled = pythonOlder "3.5" || pythonAtLeast "3.8";
 
   src = fetchPypi {
     pname = "togglCli";
diff --git a/nixpkgs/pkgs/development/python-modules/toml/default.nix b/nixpkgs/pkgs/development/python-modules/toml/default.nix
index 29d0a4c692f3..8e96efcdf444 100644
--- a/nixpkgs/pkgs/development/python-modules/toml/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/toml/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "toml";
-  version = "0.10.0";
+  version = "0.10.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0p1xww2mzkhqvxkfvmfzm58bbfj812zhdz4rwdjiv94ifz2q37r2";
+    sha256 = "926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f";
   };
 
   # This package has a test script (built for Travis) that involves a)
diff --git a/nixpkgs/pkgs/development/python-modules/toolz/default.nix b/nixpkgs/pkgs/development/python-modules/toolz/default.nix
index cb635d227f7c..e0039057d828 100644
--- a/nixpkgs/pkgs/development/python-modules/toolz/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/toolz/default.nix
@@ -4,7 +4,7 @@
 , nose
 }:
 
-buildPythonPackage rec{
+buildPythonPackage rec {
   pname = "toolz";
   version = "0.10.0";
 
diff --git a/nixpkgs/pkgs/development/python-modules/tqdm/default.nix b/nixpkgs/pkgs/development/python-modules/tqdm/default.nix
index af72dc6b8a5f..138c24ebbe3c 100644
--- a/nixpkgs/pkgs/development/python-modules/tqdm/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/tqdm/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "tqdm";
-  version = "4.46.0";
+  version = "4.46.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "4733c4a10d0f2a4d098d801464bdaf5240c7dadd2a7fde4ee93b0a0efd9fb25e";
+    sha256 = "cd140979c2bebd2311dfb14781d8f19bd5a9debb92dcab9f6ef899c987fcf71f";
   };
 
   checkInputs = [ nose coverage glibcLocales flake8 ];
diff --git a/nixpkgs/pkgs/development/python-modules/trezor_agent/default.nix b/nixpkgs/pkgs/development/python-modules/trezor_agent/default.nix
index ad4a30d97c50..2c254aa25bbf 100644
--- a/nixpkgs/pkgs/development/python-modules/trezor_agent/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/trezor_agent/default.nix
@@ -13,7 +13,7 @@
 , pinentry
 }:
 
-buildPythonPackage rec{
+buildPythonPackage rec {
   pname = "trezor_agent";
   version = "0.10.0";
 
diff --git a/nixpkgs/pkgs/development/python-modules/trimesh/default.nix b/nixpkgs/pkgs/development/python-modules/trimesh/default.nix
index be135f651213..c6d1ba00a850 100644
--- a/nixpkgs/pkgs/development/python-modules/trimesh/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/trimesh/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "trimesh";
-  version = "3.6.38";
+  version = "3.6.43";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0rdffk6a1jlfanb4i0prvy68qya8waa390yyw2kix4ja8fk7y6sx";
+    sha256 = "f62dbaf4739858148fe4889f3b4dff93da281982b6592f211c4d33c2e00678eb";
   };
 
   propagatedBuildInputs = [ numpy ];
diff --git a/nixpkgs/pkgs/development/python-modules/txdbus/default.nix b/nixpkgs/pkgs/development/python-modules/txdbus/default.nix
index 0fbe4900f9e5..8ef694d34ff2 100644
--- a/nixpkgs/pkgs/development/python-modules/txdbus/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/txdbus/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "txdbus";
-  version = "1.1.0";
+  version = "1.1.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0z41n1ikpdvk0nm8dbyh6g9bg781q4j6hg2b09b5k4wdqm17zxbg";
+    sha256 = "eefcffa4efbf82ba11222f17f5989fe1b2b6ef57226ef896c4a7084c990ba217";
   };
 
   propagatedBuildInputs = [ six twisted ];
diff --git a/nixpkgs/pkgs/development/python-modules/uamqp/default.nix b/nixpkgs/pkgs/development/python-modules/uamqp/default.nix
index 35ef67326ce7..e1527ea27e69 100644
--- a/nixpkgs/pkgs/development/python-modules/uamqp/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/uamqp/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "uamqp";
-  version = "1.2.7";
+  version = "1.2.8";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d5ac4f6e66baf466cb1c5e00d52f5da3a42bf811724522475b7e2125fbae4aae";
+    sha256 = "12yq435h27iv1kzgq3gl7c7hxdivvc2sl0l1kslgf2wxw53n7jgj";
   };
 
   buildInputs = [
diff --git a/nixpkgs/pkgs/development/python-modules/uproot/default.nix b/nixpkgs/pkgs/development/python-modules/uproot/default.nix
index 55c215ac75a3..3d472a604d64 100644
--- a/nixpkgs/pkgs/development/python-modules/uproot/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/uproot/default.nix
@@ -16,11 +16,11 @@
 
 buildPythonPackage rec {
   pname = "uproot";
-  version = "3.11.5";
+  version = "3.11.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "05bb55d0576813bb7bf252654cf854fcbabe34e30eb99beb70eff6abc4d3f121";
+    sha256 = "3fbf9dfe5ce996ffda3a49d16eba804b95fb05bc041fc4e7bc05317a03bf6cba";
   };
 
   nativeBuildInputs = [ pytestrunner ];
diff --git a/nixpkgs/pkgs/development/python-modules/vertica-python/default.nix b/nixpkgs/pkgs/development/python-modules/vertica-python/default.nix
index cfbfcde6fd50..8beb39b26d9e 100644
--- a/nixpkgs/pkgs/development/python-modules/vertica-python/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/vertica-python/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "vertica-python";
-  version = "0.10.3";
+  version = "0.10.4";
   
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0de23c0a09f0d849db626569207d52d324ffd51c69b4f7f3650f167c3c2c9de9";
+    sha256 = "570525d0371806993874bd2ee0f47cc5d68994abb5aa382e964e53e0b81160b2";
   };
   
   propagatedBuildInputs = [ future dateutil six ];
diff --git a/nixpkgs/pkgs/development/python-modules/virtualenv/0001-Check-base_prefix-and-base_exec_prefix-for-Python-2.patch b/nixpkgs/pkgs/development/python-modules/virtualenv/0001-Check-base_prefix-and-base_exec_prefix-for-Python-2.patch
new file mode 100644
index 000000000000..2b34da289e2d
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/virtualenv/0001-Check-base_prefix-and-base_exec_prefix-for-Python-2.patch
@@ -0,0 +1,37 @@
+From 21563405d6e2348ee457187f7fb61beb102bb367 Mon Sep 17 00:00:00 2001
+From: Frederik Rietdijk <fridh@fridh.nl>
+Date: Sun, 24 May 2020 09:33:13 +0200
+Subject: [PATCH] Check base_prefix and base_exec_prefix for Python 2
+
+This is a Nixpkgs-specific change so it can support virtualenvs from Nix envs.
+---
+ src/virtualenv/discovery/py_info.py | 8 ++++++--
+ 1 file changed, 6 insertions(+), 2 deletions(-)
+
+diff --git a/src/virtualenv/discovery/py_info.py b/src/virtualenv/discovery/py_info.py
+index 6f12128..74e9218 100644
+--- a/src/virtualenv/discovery/py_info.py
++++ b/src/virtualenv/discovery/py_info.py
+@@ -51,13 +51,17 @@ class PythonInfo(object):
+         self.version = u(sys.version)
+         self.os = u(os.name)
+ 
++        config_vars = {} if sys.version_info.major is not 2 else sysconfig._CONFIG_VARS
++        base_prefix = config_vars.get("prefix")
++        base_exec_prefix = config_vars.get("exec_prefix")
++
+         # information about the prefix - determines python home
+         self.prefix = u(abs_path(getattr(sys, "prefix", None)))  # prefix we think
+-        self.base_prefix = u(abs_path(getattr(sys, "base_prefix", None)))  # venv
++        self.base_prefix = u(abs_path(getattr(sys, "base_prefix", base_prefix)))  # venv
+         self.real_prefix = u(abs_path(getattr(sys, "real_prefix", None)))  # old virtualenv
+ 
+         # information about the exec prefix - dynamic stdlib modules
+-        self.base_exec_prefix = u(abs_path(getattr(sys, "base_exec_prefix", None)))
++        self.base_exec_prefix = u(abs_path(getattr(sys, "base_exec_prefix", base_exec_prefix)))
+         self.exec_prefix = u(abs_path(getattr(sys, "exec_prefix", None)))
+ 
+         self.executable = u(abs_path(sys.executable))  # the executable we were invoked via
+-- 
+2.25.1
+
diff --git a/nixpkgs/pkgs/development/python-modules/virtualenv/default.nix b/nixpkgs/pkgs/development/python-modules/virtualenv/default.nix
index ff5172d415f7..5ca27330103d 100644
--- a/nixpkgs/pkgs/development/python-modules/virtualenv/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/virtualenv/default.nix
@@ -43,6 +43,10 @@ buildPythonPackage rec {
     importlib-metadata
   ];
 
+  patches = lib.optionals (isPy27) [
+    ./0001-Check-base_prefix-and-base_exec_prefix-for-Python-2.patch
+  ];
+
   meta = {
     description = "A tool to create isolated Python environments";
     homepage = "http://www.virtualenv.org";
diff --git a/nixpkgs/pkgs/development/python-modules/wtforms/default.nix b/nixpkgs/pkgs/development/python-modules/wtforms/default.nix
index 98c3b1be93b5..410abbbb622b 100644
--- a/nixpkgs/pkgs/development/python-modules/wtforms/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/wtforms/default.nix
@@ -1,29 +1,29 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, Babel
+, markupsafe
 }:
 
 buildPythonPackage rec {
-  version = "2.1";
-  pname = "wtforms";
+  version = "2.3.1";
+  pname = "WTForms";
 
   src = fetchPypi {
     inherit pname version;
-    extension = "zip";
-    sha256 = "0vyl26y9cg409cfyj8rhqxazsdnd0jipgjw06civhrd53yyi1pzz";
+    sha256 = "0whrd9cqhlibm31yqhvhp9illddxf0cpgcn3v806f7ajmsri66l6";
   };
 
+  propagatedBuildInputs = [ markupsafe ];
+
   # Django tests are broken "django.core.exceptions.AppRegistryNotReady: Apps aren't loaded yet."
-  # This is fixed in master I believe but not yet in 2.1;
   doCheck = false;
 
-  propagatedBuildInputs = [ Babel ];
-
   meta = with stdenv.lib; {
-    homepage = "https://github.com/wtforms/wtforms";
     description = "A flexible forms validation and rendering library for Python";
+    homepage = "https://github.com/wtforms/wtforms";
+    changelog = "https://github.com/wtforms/wtforms/blob/${version}/CHANGES.rst";
     license = licenses.bsd3;
+    maintainers = [ maintainers.bhipple ];
   };
 
 }
diff --git a/nixpkgs/pkgs/development/python-modules/x11_hash/default.nix b/nixpkgs/pkgs/development/python-modules/x11_hash/default.nix
index 7cc921047ac1..22ce5917e2a6 100644
--- a/nixpkgs/pkgs/development/python-modules/x11_hash/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/x11_hash/default.nix
@@ -3,7 +3,7 @@
 , fetchPypi
 }:
 
-buildPythonPackage rec{
+buildPythonPackage rec {
   version = "1.4";
   pname = "x11_hash";
 
diff --git a/nixpkgs/pkgs/development/python-modules/yenc/default.nix b/nixpkgs/pkgs/development/python-modules/yenc/default.nix
index 13c8d53f19b3..453f3113853b 100644
--- a/nixpkgs/pkgs/development/python-modules/yenc/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/yenc/default.nix
@@ -6,7 +6,7 @@
 , isPy3k
 }:
 
-buildPythonPackage rec{
+buildPythonPackage rec {
   pname = "yenc";
   version = "0.4.0";
   src = fetchurl {
diff --git a/nixpkgs/pkgs/development/python-modules/zeroc-ice/default.nix b/nixpkgs/pkgs/development/python-modules/zeroc-ice/default.nix
index ccc34b42afb4..16bf5b7855c5 100644
--- a/nixpkgs/pkgs/development/python-modules/zeroc-ice/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/zeroc-ice/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "zeroc-ice";
-  version = "3.7.3";
+  version = "3.7.4";
 
   src = fetchPypi {
     inherit version pname;
-    sha256 = "1adec3b54c77c46acfc8a99d6336ce9a0223a7016852666358133cbe37d99744";
+    sha256 = "dc79a1eaad1d1cd1cf8cfe636e1bc413c60645e3e87a5a8e9b97ce882690e0e4";
   };
 
   buildInputs = [ openssl bzip2 ];
diff --git a/nixpkgs/pkgs/development/python-modules/zeroconf/default.nix b/nixpkgs/pkgs/development/python-modules/zeroconf/default.nix
index d293ae449c1d..e9d3c6e038ea 100644
--- a/nixpkgs/pkgs/development/python-modules/zeroconf/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/zeroconf/default.nix
@@ -10,12 +10,12 @@
 
 buildPythonPackage rec {
   pname = "zeroconf";
-  version = "0.26.1";
+  version = "0.26.3";
   disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "09rvliph7phvgzwmmdv1kwcp3andpiiqfpkrwq1vkxvwqa3mgwji";
+    sha256 = "43ad5006c00be2040cdca1fe768206f4a25356d3cc87eff8b66bd7ead2a82440";
   };
 
   propagatedBuildInputs = [ ifaddr ]
diff --git a/nixpkgs/pkgs/development/python-modules/zope_lifecycleevent/default.nix b/nixpkgs/pkgs/development/python-modules/zope_lifecycleevent/default.nix
index 2beabc8a61c7..6494aa7a71af 100644
--- a/nixpkgs/pkgs/development/python-modules/zope_lifecycleevent/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/zope_lifecycleevent/default.nix
@@ -1,8 +1,10 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
+, isPy3k
 , zope_event
 , zope_component
+, zope_interface
 }:
 
 buildPythonPackage rec {
@@ -16,6 +18,15 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ zope_event zope_component ];
 
+  # namespace colides with local directory
+  doCheck = false;
+
+  # zope uses pep 420 namespaces for python3, doesn't work with nix + python2
+  pythonImportsCheck = stdenv.lib.optionals isPy3k [
+    "zope.lifecycleevent"
+    "zope.interface"
+  ];
+
   meta = with stdenv.lib; {
     homepage = "https://github.com/zopefoundation/zope.lifecycleevent";
     description = "Object life-cycle events";
diff --git a/nixpkgs/pkgs/development/python-modules/zstd/default.nix b/nixpkgs/pkgs/development/python-modules/zstd/default.nix
index 75856a88b7e0..8f61f2ffc66e 100644
--- a/nixpkgs/pkgs/development/python-modules/zstd/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/zstd/default.nix
@@ -3,16 +3,16 @@
 
 buildPythonPackage rec {
   pname = "zstd";
-  version = "1.4.4.0";
+  version = "1.4.5.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "33f2c1fd8d3f9ac8e35fb3e199896afc54cceb68878570c6d4b72985dc6584a5";
+    sha256 = "2a1806d625bd2d8944ead4b3018fc6444a31467fa09935e9c1d4296275f024c6";
   };
 
   postPatch = ''
     substituteInPlace setup.py \
-      --replace "/usr/bin/pkg-config" "${pkgconfig}/bin/pkg-config"
+      --replace "/usr/bin/pkg-config" "${pkgconfig}/bin/${pkgconfig.targetPrefix}pkg-config"
   '';
 
   nativeBuildInputs = [ pkgconfig ];