treewide: remove unused variables (#63177)

* treewide: remove unused variables

* making ofborg happy

145 files changed, 72 insertions, 167 deletions

diff --git a/pkgs/development/python-modules/Cython/default.nix b/pkgs/development/python-modules/Cython/default.nix
index 277a3b047d1c..7562c3e4fd06 100644
--- a/pkgs/development/python-modules/Cython/default.nix
+++ b/pkgs/development/python-modules/Cython/default.nix
@@ -8,7 +8,6 @@
 , gdb
 , numpy
 , ncurses
-, fetchpatch
 }:
 
 let
diff --git a/pkgs/development/python-modules/JPype1/default.nix b/pkgs/development/python-modules/JPype1/default.nix
index d449ae8bbf69..44ec253fbf78 100644
--- a/pkgs/development/python-modules/JPype1/default.nix
+++ b/pkgs/development/python-modules/JPype1/default.nix
@@ -1,4 +1,4 @@
-{ buildPythonPackage, fetchPypi, isPy3k, pytest }:
+{ buildPythonPackage, fetchPypi, pytest }:
 
 buildPythonPackage rec {
   pname = "JPype1";
diff --git a/pkgs/development/python-modules/Nikola/default.nix b/pkgs/development/python-modules/Nikola/default.nix
index c6548f1b5984..52cf7598da8d 100644
--- a/pkgs/development/python-modules/Nikola/default.nix
+++ b/pkgs/development/python-modules/Nikola/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , isPy3k
 , fetchPypi
-, fetchpatch
 , doit
 , glibcLocales
 , pytest
diff --git a/pkgs/development/python-modules/Theano/default.nix b/pkgs/development/python-modules/Theano/default.nix
index b2d0aaa5b6b9..554eaf977911 100644
--- a/pkgs/development/python-modules/Theano/default.nix
+++ b/pkgs/development/python-modules/Theano/default.nix
@@ -1,8 +1,6 @@
 { stdenv
 , runCommandCC
-, lib
 , fetchPypi
-, gcc
 , buildPythonPackage
 , isPyPy
 , pythonOlder
diff --git a/pkgs/development/python-modules/agate-excel/default.nix b/pkgs/development/python-modules/agate-excel/default.nix
index 4636f51d4bd1..ced0ff28090d 100644
--- a/pkgs/development/python-modules/agate-excel/default.nix
+++ b/pkgs/development/python-modules/agate-excel/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchPypi, fetchpatch, buildPythonPackage
+{ lib, fetchPypi, buildPythonPackage
 , agate, openpyxl, xlrd, nose
 }:
 
diff --git a/pkgs/development/python-modules/aiozeroconf/default.nix b/pkgs/development/python-modules/aiozeroconf/default.nix
index 4dc9401d5306..78b1c215c2bd 100644
--- a/pkgs/development/python-modules/aiozeroconf/default.nix
+++ b/pkgs/development/python-modules/aiozeroconf/default.nix
@@ -3,7 +3,6 @@
 , fetchPypi
 , netifaces
 , isPy27
-, python
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/alerta-server/default.nix b/pkgs/development/python-modules/alerta-server/default.nix
index c462c41822ab..9313a255fd05 100644
--- a/pkgs/development/python-modules/alerta-server/default.nix
+++ b/pkgs/development/python-modules/alerta-server/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, makeWrapper, pythonOlder, pyyaml
+{ stdenv, buildPythonPackage, fetchPypi, pythonOlder, pyyaml
 , python-dateutil, requests, pymongo, raven, bcrypt, flask, pyjwt, flask-cors, psycopg2, pytz, flask-compress, jinja2
 }:
 
diff --git a/pkgs/development/python-modules/alerta/default.nix b/pkgs/development/python-modules/alerta/default.nix
index c366fc770b33..257e89790fa9 100644
--- a/pkgs/development/python-modules/alerta/default.nix
+++ b/pkgs/development/python-modules/alerta/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, makeWrapper
+{ stdenv, buildPythonPackage, fetchPypi
 , six, click, requests, pytz, tabulate, pythonOlder
 }:
 
diff --git a/pkgs/development/python-modules/altair/default.nix b/pkgs/development/python-modules/altair/default.nix
index ccba946abbb4..f1f2d728ff2b 100644
--- a/pkgs/development/python-modules/altair/default.nix
+++ b/pkgs/development/python-modules/altair/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, fetchpatch
+{ stdenv, buildPythonPackage, fetchPypi
 , pytest, jinja2, sphinx, vega_datasets, ipython, glibcLocales
 , entrypoints, jsonschema, numpy, pandas, six, toolz, typing
 , pythonOlder, recommonmark }:
diff --git a/pkgs/development/python-modules/arelle/default.nix b/pkgs/development/python-modules/arelle/default.nix
index a0acadd8db75..85033a1846f2 100644
--- a/pkgs/development/python-modules/arelle/default.nix
+++ b/pkgs/development/python-modules/arelle/default.nix
@@ -1,6 +1,6 @@
 { gui ? true,
   buildPythonPackage, fetchFromGitHub, lib,
-  sphinx, lxml, isodate, numpy, pytest, openpyxl,
+  sphinx, lxml, isodate, numpy, openpyxl,
   tkinter ? null, py3to2, isPy3k, python,
   ... }:
 
diff --git a/pkgs/development/python-modules/astroid/1.6.nix b/pkgs/development/python-modules/astroid/1.6.nix
index b6ebea815ccc..cdbbe547aec7 100644
--- a/pkgs/development/python-modules/astroid/1.6.nix
+++ b/pkgs/development/python-modules/astroid/1.6.nix
@@ -1,4 +1,4 @@
-{ lib, fetchPypi, buildPythonPackage, pythonOlder, isPyPy
+{ lib, fetchPypi, buildPythonPackage
 , lazy-object-proxy, six, wrapt, enum34, singledispatch, backports_functools_lru_cache
 , pytest
 }:
diff --git a/pkgs/development/python-modules/asyncssh/default.nix b/pkgs/development/python-modules/asyncssh/default.nix
index a078a4207163..42335a0393fe 100644
--- a/pkgs/development/python-modules/asyncssh/default.nix
+++ b/pkgs/development/python-modules/asyncssh/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, pythonOlder, fetchpatch
+{ stdenv, buildPythonPackage, fetchPypi, pythonOlder
 , cryptography
 , bcrypt, gssapi, libnacl, libsodium, nettle, pyopenssl
 , openssl, openssh }:
diff --git a/pkgs/development/python-modules/av/default.nix b/pkgs/development/python-modules/av/default.nix
index c32719140ea7..8998abd6986a 100644
--- a/pkgs/development/python-modules/av/default.nix
+++ b/pkgs/development/python-modules/av/default.nix
@@ -3,7 +3,6 @@
 , fetchPypi
 , numpy
 , ffmpeg_4
-, libav
 , pkgconfig
 }:
 
diff --git a/pkgs/development/python-modules/azure/default.nix b/pkgs/development/python-modules/azure/default.nix
index 541cf1e72702..87a39255561e 100644
--- a/pkgs/development/python-modules/azure/default.nix
+++ b/pkgs/development/python-modules/azure/default.nix
@@ -5,7 +5,6 @@
 , futures
 , pyopenssl
 , requests
-, pythonOlder
 , isPy3k
 }:
 
diff --git a/pkgs/development/python-modules/backports-shutil-which/default.nix b/pkgs/development/python-modules/backports-shutil-which/default.nix
index 95cbd7ca0411..1b8b8f2ba47e 100644
--- a/pkgs/development/python-modules/backports-shutil-which/default.nix
+++ b/pkgs/development/python-modules/backports-shutil-which/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchPypi, fetchFromGitHub, buildPythonPackage, pytest }:
+{ stdenv, fetchPypi, buildPythonPackage, pytest }:
 
 buildPythonPackage rec {
   pname = "backports.shutil_which";
diff --git a/pkgs/development/python-modules/blis/default.nix b/pkgs/development/python-modules/blis/default.nix
index 5fee40a941f9..e038e07507a0 100644
--- a/pkgs/development/python-modules/blis/default.nix
+++ b/pkgs/development/python-modules/blis/default.nix
@@ -1,5 +1,4 @@
 { stdenv
-, lib
 , buildPythonPackage
 , fetchPypi
 , cython
diff --git a/pkgs/development/python-modules/bsddb3/default.nix b/pkgs/development/python-modules/bsddb3/default.nix
index 700f5b3d0c52..a286249ea0f3 100644
--- a/pkgs/development/python-modules/bsddb3/default.nix
+++ b/pkgs/development/python-modules/bsddb3/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , fetchPypi
 , pkgs
-, isPy3k
 , python
 }:
 
diff --git a/pkgs/development/python-modules/buildbot/default.nix b/pkgs/development/python-modules/buildbot/default.nix
index 066d7058fed5..a6f4b73bbf1e 100644
--- a/pkgs/development/python-modules/buildbot/default.nix
+++ b/pkgs/development/python-modules/buildbot/default.nix
@@ -1,7 +1,7 @@
 { stdenv, lib, buildPythonPackage, fetchPypi, makeWrapper, isPy3k,
   python, twisted, jinja2, zope_interface, future, sqlalchemy,
   sqlalchemy_migrate, dateutil, txaio, autobahn, pyjwt, pyyaml, treq,
-  txrequests, txgithub, pyjade, boto3, moto, mock, python-lz4, setuptoolsTrial,
+  txrequests, pyjade, boto3, moto, mock, python-lz4, setuptoolsTrial,
   isort, pylint, flake8, buildbot-worker, buildbot-pkg, parameterized,
   glibcLocales }:
 
diff --git a/pkgs/development/python-modules/buildbot/pkg.nix b/pkgs/development/python-modules/buildbot/pkg.nix
index f95d71dc2903..631572ffa025 100644
--- a/pkgs/development/python-modules/buildbot/pkg.nix
+++ b/pkgs/development/python-modules/buildbot/pkg.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, setuptools }:
+{ lib, buildPythonPackage, fetchPypi }:
 
 buildPythonPackage rec {
   pname = "buildbot-pkg";
diff --git a/pkgs/development/python-modules/buildbot/worker.nix b/pkgs/development/python-modules/buildbot/worker.nix
index c8ebdf34b868..363e6e8af283 100644
--- a/pkgs/development/python-modules/buildbot/worker.nix
+++ b/pkgs/development/python-modules/buildbot/worker.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, python, setuptoolsTrial, mock, twisted, future }:
+{ lib, buildPythonPackage, fetchPypi, setuptoolsTrial, mock, twisted, future }:
 
 buildPythonPackage (rec {
   pname = "buildbot-worker";
diff --git a/pkgs/development/python-modules/cartopy/default.nix b/pkgs/development/python-modules/cartopy/default.nix
index 28148450f076..e54136a50276 100644
--- a/pkgs/development/python-modules/cartopy/default.nix
+++ b/pkgs/development/python-modules/cartopy/default.nix
@@ -1,6 +1,6 @@
 { buildPythonPackage, lib, fetchPypi
 , pytest, filelock, mock, pep8
-, cython, isPy27, isPy37, glibcLocales
+, cython, isPy27
 , six, pyshp, shapely, geos, proj, numpy
 , gdal, pillow, matplotlib, pyepsg, pykdtree, scipy, owslib, fiona
 , xvfb_run
diff --git a/pkgs/development/python-modules/cassandra-driver/default.nix b/pkgs/development/python-modules/cassandra-driver/default.nix
index dbf5a8686cd9..1551c98143c9 100644
--- a/pkgs/development/python-modules/cassandra-driver/default.nix
+++ b/pkgs/development/python-modules/cassandra-driver/default.nix
@@ -2,7 +2,6 @@
 , libev
 , buildPythonPackage
 , fetchPypi
-, pkgs
 , cython
 , futures
 , six
diff --git a/pkgs/development/python-modules/celery/default.nix b/pkgs/development/python-modules/celery/default.nix
index 41c9493922a9..d499a937f501 100644
--- a/pkgs/development/python-modules/celery/default.nix
+++ b/pkgs/development/python-modules/celery/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, isPy37, fetchpatch, iana-etc, libredirect
+{ stdenv, buildPythonPackage, fetchPypi, iana-etc, libredirect
 , case, pytest, boto3, moto, kombu, billiard, pytz, anyjson, amqp, eventlet
 }:
 
diff --git a/pkgs/development/python-modules/chalice/default.nix b/pkgs/development/python-modules/chalice/default.nix
index f982ffefb2a7..19aaf3368e5d 100644
--- a/pkgs/development/python-modules/chalice/default.nix
+++ b/pkgs/development/python-modules/chalice/default.nix
@@ -11,7 +11,6 @@
 , six
 , typing
 , wheel
-, pythonOlder
 , watchdog
 , pytest
 , hypothesis
diff --git a/pkgs/development/python-modules/click/default.nix b/pkgs/development/python-modules/click/default.nix
index 1ae0cba4844a..9951b1711b39 100644
--- a/pkgs/development/python-modules/click/default.nix
+++ b/pkgs/development/python-modules/click/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, substituteAll, locale, pytest }:
+{ lib, buildPythonPackage, fetchPypi, locale, pytest }:
 
 buildPythonPackage rec {
   pname = "click";
diff --git a/pkgs/development/python-modules/cntk/default.nix b/pkgs/development/python-modules/cntk/default.nix
index 564116bc6755..43a7b7646dae 100644
--- a/pkgs/development/python-modules/cntk/default.nix
+++ b/pkgs/development/python-modules/cntk/default.nix
@@ -1,5 +1,4 @@
-{ stdenv
-, lib
+{ lib
 , buildPythonPackage
 , pkgs
 , numpy
diff --git a/pkgs/development/python-modules/dask-xgboost/default.nix b/pkgs/development/python-modules/dask-xgboost/default.nix
index 06b5e762852a..5dfcd2f415b9 100644
--- a/pkgs/development/python-modules/dask-xgboost/default.nix
+++ b/pkgs/development/python-modules/dask-xgboost/default.nix
@@ -6,7 +6,6 @@
 , distributed
 , pytest
 , scikitlearn
-, scipy
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/distro/default.nix b/pkgs/development/python-modules/distro/default.nix
index 09868b2f7555..ad8da4255d69 100644
--- a/pkgs/development/python-modules/distro/default.nix
+++ b/pkgs/development/python-modules/distro/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchPypi, buildPythonPackage, pytest, pytestcov, tox }:
+{ stdenv, fetchPypi, buildPythonPackage, pytest, pytestcov }:
 
 buildPythonPackage rec {
   pname = "distro";
diff --git a/pkgs/development/python-modules/dj-search-url/default.nix b/pkgs/development/python-modules/dj-search-url/default.nix
index b66f6b8f73a3..68fe4c913d69 100644
--- a/pkgs/development/python-modules/dj-search-url/default.nix
+++ b/pkgs/development/python-modules/dj-search-url/default.nix
@@ -1,7 +1,6 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, python
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/django/1_11.nix b/pkgs/development/python-modules/django/1_11.nix
index 90fd82f28f46..e4e4d129a8d0 100644
--- a/pkgs/development/python-modules/django/1_11.nix
+++ b/pkgs/development/python-modules/django/1_11.nix
@@ -1,5 +1,4 @@
 { stdenv, buildPythonPackage, fetchurl, substituteAll,
-  pythonOlder,
   geos, gdal, pytz,
   withGdal ? false
 }:
diff --git a/pkgs/development/python-modules/django/1_8.nix b/pkgs/development/python-modules/django/1_8.nix
index ee2408f73405..b6b51a07e9f6 100644
--- a/pkgs/development/python-modules/django/1_8.nix
+++ b/pkgs/development/python-modules/django/1_8.nix
@@ -1,7 +1,6 @@
 { stdenv
 , buildPythonPackage
 , fetchurl
-, pythonOlder
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/django_guardian/default.nix b/pkgs/development/python-modules/django_guardian/default.nix
index 11ad13cb4a1a..007d70ca8106 100644
--- a/pkgs/development/python-modules/django_guardian/default.nix
+++ b/pkgs/development/python-modules/django_guardian/default.nix
@@ -1,5 +1,5 @@
 { stdenv, buildPythonPackage, fetchPypi
-, django_environ, mock, django, six
+, django_environ, mock, django
 , pytest, pytestrunner, pytest-django
 }:
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/dynd/default.nix b/pkgs/development/python-modules/dynd/default.nix
index 337763afbd46..d4cd0e711a0d 100644
--- a/pkgs/development/python-modules/dynd/default.nix
+++ b/pkgs/development/python-modules/dynd/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchFromGitHub
 , isPyPy
 , isPy3k
 , cython
diff --git a/pkgs/development/python-modules/effect/default.nix b/pkgs/development/python-modules/effect/default.nix
index 8e4ad446746a..6b8329550da3 100644
--- a/pkgs/development/python-modules/effect/default.nix
+++ b/pkgs/development/python-modules/effect/default.nix
@@ -1,6 +1,5 @@
 { buildPythonPackage
 , fetchPypi
-, isPy37
 , lib
 , six
 , attrs
diff --git a/pkgs/development/python-modules/elasticsearch-dsl/default.nix b/pkgs/development/python-modules/elasticsearch-dsl/default.nix
index 1ca8c9b55ff2..b906f94b4272 100644
--- a/pkgs/development/python-modules/elasticsearch-dsl/default.nix
+++ b/pkgs/development/python-modules/elasticsearch-dsl/default.nix
@@ -5,7 +5,6 @@
 , elasticsearch
 , ipaddress
 , python-dateutil
-, pytz
 , six
 }:
 
diff --git a/pkgs/development/python-modules/eyed3/default.nix b/pkgs/development/python-modules/eyed3/default.nix
index 16e94bd785f0..a06f276232ef 100644
--- a/pkgs/development/python-modules/eyed3/default.nix
+++ b/pkgs/development/python-modules/eyed3/default.nix
@@ -9,7 +9,6 @@
 , six
 , pathlib
 , python_magic
-, isPy3k
 , lib
 }:
 
diff --git a/pkgs/development/python-modules/fastentrypoints/default.nix b/pkgs/development/python-modules/fastentrypoints/default.nix
index 4a921b2390d7..e2e0a4d4d92e 100644
--- a/pkgs/development/python-modules/fastentrypoints/default.nix
+++ b/pkgs/development/python-modules/fastentrypoints/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, pytest }:
+{ stdenv, buildPythonPackage, fetchPypi }:
 
 buildPythonPackage rec {
   pname = "fastentrypoints";
diff --git a/pkgs/development/python-modules/fastparquet/default.nix b/pkgs/development/python-modules/fastparquet/default.nix
index a31b5670732a..260d1b7f4b30 100644
--- a/pkgs/development/python-modules/fastparquet/default.nix
+++ b/pkgs/development/python-modules/fastparquet/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, isPy3k, fetchPypi, fetchpatch, numba, numpy, pandas,
+{ lib, buildPythonPackage, fetchPypi, fetchpatch, numba, numpy, pandas,
 pytestrunner, thrift, pytest, python-snappy, lz4 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/fb-re2/default.nix b/pkgs/development/python-modules/fb-re2/default.nix
index 40a1d759c127..25aae4591eb5 100644
--- a/pkgs/development/python-modules/fb-re2/default.nix
+++ b/pkgs/development/python-modules/fb-re2/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , fetchPypi
 , re2
-, pytest
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/flake8/default.nix b/pkgs/development/python-modules/flake8/default.nix
index 675e5ea86f59..a860ea152ebb 100644
--- a/pkgs/development/python-modules/flake8/default.nix
+++ b/pkgs/development/python-modules/flake8/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, pythonOlder, fetchpatch
+{ stdenv, buildPythonPackage, fetchPypi, pythonOlder
 , mock, pytest, pytestrunner
 , configparser, enum34, mccabe, pycodestyle, pyflakes, entrypoints, functools32, typing
 }:
diff --git a/pkgs/development/python-modules/gateone/default.nix b/pkgs/development/python-modules/gateone/default.nix
index 136c089ee4b6..e0b6b3e49fa4 100644
--- a/pkgs/development/python-modules/gateone/default.nix
+++ b/pkgs/development/python-modules/gateone/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchFromGitHub
 , tornado
 , futures
 , html5lib
diff --git a/pkgs/development/python-modules/genpy/default.nix b/pkgs/development/python-modules/genpy/default.nix
index 0a8344f8b924..c8bbeefd6acd 100644
--- a/pkgs/development/python-modules/genpy/default.nix
+++ b/pkgs/development/python-modules/genpy/default.nix
@@ -3,7 +3,6 @@
 , fetchPypi
 , pytools
 , numpy
-, pytest
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/gipc/default.nix b/pkgs/development/python-modules/gipc/default.nix
index e2065e632d23..8255668de1cf 100644
--- a/pkgs/development/python-modules/gipc/default.nix
+++ b/pkgs/development/python-modules/gipc/default.nix
@@ -1,7 +1,6 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, isPy3k
 , gevent
 }:
 
diff --git a/pkgs/development/python-modules/google-api-python-client/default.nix b/pkgs/development/python-modules/google-api-python-client/default.nix
index d59bc5a70b89..1acc9603db34 100644
--- a/pkgs/development/python-modules/google-api-python-client/default.nix
+++ b/pkgs/development/python-modules/google-api-python-client/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, isPy3k
+{ lib, buildPythonPackage, fetchPypi
 , httplib2, google_auth, google-auth-httplib2, six, uritemplate, oauth2client }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index 4e548577f906..f16a5800bb44 100644
--- a/pkgs/development/python-modules/grpcio-tools/default.nix
+++ b/pkgs/development/python-modules/grpcio-tools/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, lib, grpc, grpcio}:
+{ stdenv, buildPythonPackage, fetchPypi, lib, grpcio}:
 
 buildPythonPackage rec {
   pname = "grpcio-tools";
diff --git a/pkgs/development/python-modules/gtimelog/default.nix b/pkgs/development/python-modules/gtimelog/default.nix
index 7f0ba451af67..c729874846da 100644
--- a/pkgs/development/python-modules/gtimelog/default.nix
+++ b/pkgs/development/python-modules/gtimelog/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchurl
 , pkgs
 , python
 , pygobject3
diff --git a/pkgs/development/python-modules/gumath/default.nix b/pkgs/development/python-modules/gumath/default.nix
index b066f323d682..2937b876dec4 100644
--- a/pkgs/development/python-modules/gumath/default.nix
+++ b/pkgs/development/python-modules/gumath/default.nix
@@ -1,5 +1,4 @@
-{ lib
-, buildPythonPackage
+{ buildPythonPackage
 , numba
 , ndtypes
 , xnd
diff --git a/pkgs/development/python-modules/hbmqtt/default.nix b/pkgs/development/python-modules/hbmqtt/default.nix
index 0ec55dae3e4d..cd3264b78bb2 100644
--- a/pkgs/development/python-modules/hbmqtt/default.nix
+++ b/pkgs/development/python-modules/hbmqtt/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, fetchpatch, isPy3k
+{ stdenv, buildPythonPackage, fetchPypi, isPy3k
 , transitions, websockets, passlib, docopt, pyyaml, nose }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/hoomd-blue/default.nix b/pkgs/development/python-modules/hoomd-blue/default.nix
index ad25b8977c05..c4afe809cfb6 100644
--- a/pkgs/development/python-modules/hoomd-blue/default.nix
+++ b/pkgs/development/python-modules/hoomd-blue/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchgit
+{ stdenv, fetchgit
 , cmake, pkgconfig
 , python
 , mpi ? null
diff --git a/pkgs/development/python-modules/howdoi/default.nix b/pkgs/development/python-modules/howdoi/default.nix
index bbea01f49001..53e42027ba22 100644
--- a/pkgs/development/python-modules/howdoi/default.nix
+++ b/pkgs/development/python-modules/howdoi/default.nix
@@ -5,7 +5,6 @@
 , requests-cache
 , pygments
 , pyquery
-, python
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/httpretty/default.nix b/pkgs/development/python-modules/httpretty/default.nix
index 7d8f25ca9540..cf78a6185365 100644
--- a/pkgs/development/python-modules/httpretty/default.nix
+++ b/pkgs/development/python-modules/httpretty/default.nix
@@ -8,8 +8,6 @@
 , nose
 , nose-exclude
 , coverage
-, certifi
-, urllib3
 , rednose
 , nose-randomly
 , six
diff --git a/pkgs/development/python-modules/hyperlink/default.nix b/pkgs/development/python-modules/hyperlink/default.nix
index 2e2e4e1cb774..d7950d3adb69 100644
--- a/pkgs/development/python-modules/hyperlink/default.nix
+++ b/pkgs/development/python-modules/hyperlink/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, idna, pytest }:
+{ stdenv, buildPythonPackage, fetchPypi, idna }:
 
 buildPythonPackage rec {
   pname = "hyperlink";
diff --git a/pkgs/development/python-modules/ifaddr/default.nix b/pkgs/development/python-modules/ifaddr/default.nix
index 5bc281d2be1e..e5087a105360 100644
--- a/pkgs/development/python-modules/ifaddr/default.nix
+++ b/pkgs/development/python-modules/ifaddr/default.nix
@@ -3,7 +3,6 @@
 , fetchPypi
 , ipaddress
 , python
-, pythonOlder
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/influxgraph/default.nix b/pkgs/development/python-modules/influxgraph/default.nix
index 4f7ba65a27f3..eeb27b14080a 100644
--- a/pkgs/development/python-modules/influxgraph/default.nix
+++ b/pkgs/development/python-modules/influxgraph/default.nix
@@ -1,5 +1,5 @@
 { stdenv, buildPythonPackage, fetchPypi, isPy3k
-, influxdb, graphite_api, memcached, gnugrep
+, influxdb, graphite_api, memcached
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/infoqscraper/default.nix b/pkgs/development/python-modules/infoqscraper/default.nix
index f9ced7e63daf..ce265d013785 100644
--- a/pkgs/development/python-modules/infoqscraper/default.nix
+++ b/pkgs/development/python-modules/infoqscraper/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchFromGitHub
 , html5lib
 , six
 , beautifulsoup4
diff --git a/pkgs/development/python-modules/intake/default.nix b/pkgs/development/python-modules/intake/default.nix
index 2646ee1b9363..c7f6e5c82194 100644
--- a/pkgs/development/python-modules/intake/default.nix
+++ b/pkgs/development/python-modules/intake/default.nix
@@ -15,7 +15,6 @@
 , six
 , tornado
 , pytest
-, pythonOlder
 , isPy27
 }:
 
diff --git a/pkgs/development/python-modules/intelhex/default.nix b/pkgs/development/python-modules/intelhex/default.nix
index 6ed21597aff0..20098485ad48 100644
--- a/pkgs/development/python-modules/intelhex/default.nix
+++ b/pkgs/development/python-modules/intelhex/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , fetchPypi
 , fetchpatch
-, fetchurl
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/ipython/5.nix b/pkgs/development/python-modules/ipython/5.nix
index 3709ba40dc03..15e7d00bcece 100644
--- a/pkgs/development/python-modules/ipython/5.nix
+++ b/pkgs/development/python-modules/ipython/5.nix
@@ -2,7 +2,6 @@
 , stdenv
 , buildPythonPackage
 , fetchPypi
-, fetchpatch
 # Build dependencies
 , glibcLocales
 # Test dependencies
diff --git a/pkgs/development/python-modules/isodate/default.nix b/pkgs/development/python-modules/isodate/default.nix
index 4422e1614fb6..425a295e5a53 100644
--- a/pkgs/development/python-modules/isodate/default.nix
+++ b/pkgs/development/python-modules/isodate/default.nix
@@ -1,7 +1,6 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, isPy3k
 , python
 , six
 }:
diff --git a/pkgs/development/python-modules/jenkins-job-builder/default.nix b/pkgs/development/python-modules/jenkins-job-builder/default.nix
index 764e47501cb3..6d9086748572 100644
--- a/pkgs/development/python-modules/jenkins-job-builder/default.nix
+++ b/pkgs/development/python-modules/jenkins-job-builder/default.nix
@@ -1,7 +1,6 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, pip
 , pbr
 , mock
 , python-jenkins
diff --git a/pkgs/development/python-modules/jsbeautifier/default.nix b/pkgs/development/python-modules/jsbeautifier/default.nix
index 226f1743a2a0..15191858daa8 100644
--- a/pkgs/development/python-modules/jsbeautifier/default.nix
+++ b/pkgs/development/python-modules/jsbeautifier/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchPypi, buildPythonApplication, EditorConfig, fetchpatch, pytest, six }:
+{ lib, fetchPypi, buildPythonApplication, EditorConfig, pytest, six }:
 
 buildPythonApplication rec {
   pname = "jsbeautifier";
diff --git a/pkgs/development/python-modules/keyrings-alt/default.nix b/pkgs/development/python-modules/keyrings-alt/default.nix
index beccc2f06b89..3fe986fc3351 100644
--- a/pkgs/development/python-modules/keyrings-alt/default.nix
+++ b/pkgs/development/python-modules/keyrings-alt/default.nix
@@ -1,5 +1,5 @@
 { stdenv, buildPythonPackage, fetchPypi, pythonOlder, six
-, pytest, pytest-flake8, backports_unittest-mock, keyring, setuptools_scm
+, pytest, backports_unittest-mock, keyring, setuptools_scm
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/lark-parser/default.nix b/pkgs/development/python-modules/lark-parser/default.nix
index 08c9e8b763dc..6de2af1e505e 100644
--- a/pkgs/development/python-modules/lark-parser/default.nix
+++ b/pkgs/development/python-modules/lark-parser/default.nix
@@ -1,7 +1,6 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, python
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/ldap3/default.nix b/pkgs/development/python-modules/ldap3/default.nix
index fc5b0b2fe045..13fe196e471c 100644
--- a/pkgs/development/python-modules/ldap3/default.nix
+++ b/pkgs/development/python-modules/ldap3/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchPypi, fetchFromGitHub, buildPythonPackage, pyasn1 }:
+{ stdenv, fetchPypi, buildPythonPackage, pyasn1 }:
 
 buildPythonPackage rec {
   pname = "ldap3";
diff --git a/pkgs/development/python-modules/libsexy/default.nix b/pkgs/development/python-modules/libsexy/default.nix
index 03797575a83e..78e0dae2634c 100644
--- a/pkgs/development/python-modules/libsexy/default.nix
+++ b/pkgs/development/python-modules/libsexy/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, buildPythonPackage, libsexy, pkgconfig, libxml2, pygtk, pango, gtk2, glib, python }:
+{ stdenv, fetchurl, buildPythonPackage, libsexy, pkgconfig, libxml2, pygtk, pango, glib, python }:
 
 buildPythonPackage rec {
   pname = "libsexy";
diff --git a/pkgs/development/python-modules/libusb1/default.nix b/pkgs/development/python-modules/libusb1/default.nix
index 9b268686b8ff..a2065f243169 100644
--- a/pkgs/development/python-modules/libusb1/default.nix
+++ b/pkgs/development/python-modules/libusb1/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildPythonPackage, fetchPypi, python, libusb1, pytest }:
+{ stdenv, buildPythonPackage, fetchPypi, libusb1, pytest }:
 
 buildPythonPackage rec {
   pname = "libusb1";
diff --git a/pkgs/development/python-modules/livestreamer/default.nix b/pkgs/development/python-modules/livestreamer/default.nix
index 94394c11e04e..a316edaf80aa 100644
--- a/pkgs/development/python-modules/livestreamer/default.nix
+++ b/pkgs/development/python-modules/livestreamer/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchurl
 , pkgs
 , isPyPy
 , pycrypto
diff --git a/pkgs/development/python-modules/matplotlib/default.nix b/pkgs/development/python-modules/matplotlib/default.nix
index cbdd43af811f..392cc66786a1 100644
--- a/pkgs/development/python-modules/matplotlib/default.nix
+++ b/pkgs/development/python-modules/matplotlib/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchPypi, python, buildPythonPackage, isPy3k, pycairo, backports_functools_lru_cache
 , which, cycler, dateutil, nose, numpy, pyparsing, sphinx, tornado, kiwisolver
-, freetype, libpng, pkgconfig, mock, pytz, pygobject3, functools32, subprocess32
+, freetype, libpng, pkgconfig, mock, pytz, pygobject3
 , enableGhostscript ? true, ghostscript ? null, gtk3
 , enableGtk2 ? false, pygtk ? null, gobject-introspection
 , enableGtk3 ? false, cairo
diff --git a/pkgs/development/python-modules/minio/default.nix b/pkgs/development/python-modules/minio/default.nix
index 7eea7596f433..a87c6711d435 100644
--- a/pkgs/development/python-modules/minio/default.nix
+++ b/pkgs/development/python-modules/minio/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildPythonPackage, isPy3k, fetchPypi
+{ lib, buildPythonPackage, isPy3k, fetchPypi
 , urllib3, python-dateutil , pytz, faker, mock, nose }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/moinmoin/default.nix b/pkgs/development/python-modules/moinmoin/default.nix
index 8090ac199da8..cc00643b71ae 100644
--- a/pkgs/development/python-modules/moinmoin/default.nix
+++ b/pkgs/development/python-modules/moinmoin/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchurl, fetchpatch, isPy3k
+{ lib, buildPythonPackage, fetchurl, isPy3k
 , pytest, werkzeug, pygments
 }:
 
diff --git a/pkgs/development/python-modules/moviepy/default.nix b/pkgs/development/python-modules/moviepy/default.nix
index 7171409bec84..73c2f6c8e684 100644
--- a/pkgs/development/python-modules/moviepy/default.nix
+++ b/pkgs/development/python-modules/moviepy/default.nix
@@ -6,7 +6,6 @@
 , decorator
 , imageio
 , imageio-ffmpeg
-, isPy3k
 , proglog
 , requests
 , tqdm
diff --git a/pkgs/development/python-modules/msrestazure/default.nix b/pkgs/development/python-modules/msrestazure/default.nix
index 7e71f618d8a0..a494bbfff07e 100644
--- a/pkgs/development/python-modules/msrestazure/default.nix
+++ b/pkgs/development/python-modules/msrestazure/default.nix
@@ -1,7 +1,6 @@
 { pkgs
 , buildPythonPackage
 , fetchPypi
-, python
 , adal
 , msrest
 }:
diff --git a/pkgs/development/python-modules/ndtypes/default.nix b/pkgs/development/python-modules/ndtypes/default.nix
index 2110f3628a80..0d5923820d27 100644
--- a/pkgs/development/python-modules/ndtypes/default.nix
+++ b/pkgs/development/python-modules/ndtypes/default.nix
@@ -1,6 +1,4 @@
-{ lib
-, buildPythonPackage
-, fetchFromGitHub
+{ buildPythonPackage
 , numpy
 , libndtypes
 , isPy27
diff --git a/pkgs/development/python-modules/nixpkgs/default.nix b/pkgs/development/python-modules/nixpkgs/default.nix
index ea0a359a49c3..75dcf9b32c4c 100644
--- a/pkgs/development/python-modules/nixpkgs/default.nix
+++ b/pkgs/development/python-modules/nixpkgs/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchpatch
 , fetchPypi
 , pbr
 , pythonix
diff --git a/pkgs/development/python-modules/nltk/default.nix b/pkgs/development/python-modules/nltk/default.nix
index 2c6858915ce9..7e3134a44d20 100644
--- a/pkgs/development/python-modules/nltk/default.nix
+++ b/pkgs/development/python-modules/nltk/default.nix
@@ -1,4 +1,4 @@
-{ fetchPypi, buildPythonPackage, lib, six, singledispatch, isPy3k, fetchpatch }:
+{ fetchPypi, buildPythonPackage, lib, six, singledispatch, isPy3k }:
 
 buildPythonPackage rec {
   version = "3.4.3";
diff --git a/pkgs/development/python-modules/nuitka/default.nix b/pkgs/development/python-modules/nuitka/default.nix
index bf5ca3d55830..51b1c8dd7756 100644
--- a/pkgs/development/python-modules/nuitka/default.nix
+++ b/pkgs/development/python-modules/nuitka/default.nix
@@ -3,7 +3,6 @@
 , fetchurl
 , vmprof
 , pyqt4
-, scons
 , isPyPy
 , pkgs
 }:
diff --git a/pkgs/development/python-modules/numpy/default.nix b/pkgs/development/python-modules/numpy/default.nix
index 171496584ef2..880d368a600b 100644
--- a/pkgs/development/python-modules/numpy/default.nix
+++ b/pkgs/development/python-modules/numpy/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchPypi, python, buildPythonPackage, gfortran, pytest, blas, writeTextFile }:
+{ lib, fetchPypi, python, buildPythonPackage, gfortran, pytest, blas, writeTextFile }:
 
 let
   blasImplementation = lib.nameFromURL blas.name "-";
diff --git a/pkgs/development/python-modules/odfpy/default.nix b/pkgs/development/python-modules/odfpy/default.nix
index f4dba0858dbf..c62f6ae681c2 100644
--- a/pkgs/development/python-modules/odfpy/default.nix
+++ b/pkgs/development/python-modules/odfpy/default.nix
@@ -1,8 +1,6 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, python
-, isPy27
 , defusedxml
 , pytest
 }:
diff --git a/pkgs/development/python-modules/ovito/default.nix b/pkgs/development/python-modules/ovito/default.nix
index cae337904b20..73230b2e8fb3 100644
--- a/pkgs/development/python-modules/ovito/default.nix
+++ b/pkgs/development/python-modules/ovito/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchgit
 , cmake
-, qtbase, libav, netcdf, qscintilla, zlib, boost, git, fftw, hdf5, libssh
+, libav, netcdf, qscintilla, zlib, boost, git, fftw, hdf5, libssh
 , pythonPackages
 }:
 
diff --git a/pkgs/development/python-modules/panel/default.nix b/pkgs/development/python-modules/panel/default.nix
index 821a543eeb17..fccd46c605db 100644
--- a/pkgs/development/python-modules/panel/default.nix
+++ b/pkgs/development/python-modules/panel/default.nix
@@ -7,12 +7,6 @@
 , markdown
 , pyct
 , testpath
-, pytest
-, scipy
-, plotly
-, altair
-, vega_datasets
-, hvplot
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/papis/default.nix b/pkgs/development/python-modules/papis/default.nix
index 32c945f332a7..a1fdeec28f83 100644
--- a/pkgs/development/python-modules/papis/default.nix
+++ b/pkgs/development/python-modules/papis/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchFromGitHub, fetchpatch, xdg_utils
+{ lib, buildPythonPackage, fetchFromGitHub, xdg_utils
 , requests, filetype, pyparsing, configparser, arxiv2bib
 , pyyaml, chardet, beautifulsoup4, colorama, bibtexparser
 , pylibgen, click, python-slugify, habanero, isbnlib
diff --git a/pkgs/development/python-modules/paramiko/default.nix b/pkgs/development/python-modules/paramiko/default.nix
index e41ec9689d28..a1ecced51eb5 100644
--- a/pkgs/development/python-modules/paramiko/default.nix
+++ b/pkgs/development/python-modules/paramiko/default.nix
@@ -5,12 +5,9 @@
 , bcrypt
 , pynacl
 , pyasn1
-, python
 , pytest
 , pytest-relaxed
 , mock
-, isPyPy
-, isPy33
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/pastel/default.nix b/pkgs/development/python-modules/pastel/default.nix
index 2d99447f724f..532970c62c28 100644
--- a/pkgs/development/python-modules/pastel/default.nix
+++ b/pkgs/development/python-modules/pastel/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchFromGitHub, isPy3k, pytest }:
+{ lib, buildPythonPackage, fetchFromGitHub, pytest }:
 
 buildPythonPackage rec {
   pname = "pastel";
diff --git a/pkgs/development/python-modules/pep8/default.nix b/pkgs/development/python-modules/pep8/default.nix
index 85d274944a78..6794b6f5f668 100644
--- a/pkgs/development/python-modules/pep8/default.nix
+++ b/pkgs/development/python-modules/pep8/default.nix
@@ -1,7 +1,6 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, pythonAtLeast
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/pims/default.nix b/pkgs/development/python-modules/pims/default.nix
index 4e45d5203e66..4504886d03d0 100644
--- a/pkgs/development/python-modules/pims/default.nix
+++ b/pkgs/development/python-modules/pims/default.nix
@@ -6,7 +6,6 @@
 , six
 , numpy
 , tifffile
-, pytest
 , nose
 }:
 
diff --git a/pkgs/development/python-modules/poetry/jsonschema.nix b/pkgs/development/python-modules/poetry/jsonschema.nix
index d0adb43daf84..35607b536f34 100644
--- a/pkgs/development/python-modules/poetry/jsonschema.nix
+++ b/pkgs/development/python-modules/poetry/jsonschema.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, isPy27, callPackage
+{ lib, buildPythonPackage, fetchPypi, isPy27
 , attrs
 , pyrsistent
 , six
diff --git a/pkgs/development/python-modules/pplpy/default.nix b/pkgs/development/python-modules/pplpy/default.nix
index 6f118a51c879..a693c8cad4cc 100644
--- a/pkgs/development/python-modules/pplpy/default.nix
+++ b/pkgs/development/python-modules/pplpy/default.nix
@@ -1,12 +1,10 @@
 { lib
-, python
 , fetchPypi
 , buildPythonPackage
 , gmp
 , mpfr
 , libmpc
 , ppl
-, pari
 , cython
 , cysignals
 , gmpy2
diff --git a/pkgs/development/python-modules/priority/default.nix b/pkgs/development/python-modules/priority/default.nix
index f2f7a935cc41..f6e7efb78c20 100644
--- a/pkgs/development/python-modules/priority/default.nix
+++ b/pkgs/development/python-modules/priority/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, fetchpatch, pytest, hypothesis }:
+{ lib, buildPythonPackage, fetchPypi, pytest, hypothesis }:
 
 buildPythonPackage rec {
   pname = "priority";
diff --git a/pkgs/development/python-modules/progressbar/default.nix b/pkgs/development/python-modules/progressbar/default.nix
index a68ecf59ad0e..fcd802b34875 100644
--- a/pkgs/development/python-modules/progressbar/default.nix
+++ b/pkgs/development/python-modules/progressbar/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, isPy3k }:
+{ stdenv, buildPythonPackage, fetchPypi }:
 
 buildPythonPackage rec {
   pname = "progressbar";
diff --git a/pkgs/development/python-modules/py3status/default.nix b/pkgs/development/python-modules/py3status/default.nix
index 8cca405f7bfd..033cb192c8ef 100644
--- a/pkgs/development/python-modules/py3status/default.nix
+++ b/pkgs/development/python-modules/py3status/default.nix
@@ -1,7 +1,6 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, fetchpatch
 , requests
 , pytz
 , tzlocal
diff --git a/pkgs/development/python-modules/pyarrow/default.nix b/pkgs/development/python-modules/pyarrow/default.nix
index 32c5f38b66d0..44acbe5c7a9d 100644
--- a/pkgs/development/python-modules/pyarrow/default.nix
+++ b/pkgs/development/python-modules/pyarrow/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, python, isPy3k, fetchurl, arrow-cpp, cmake, cython, futures, hypothesis, numpy, pandas, pytest, pkgconfig, setuptools_scm, six }:
+{ lib, buildPythonPackage, python, isPy3k, arrow-cpp, cmake, cython, futures, hypothesis, numpy, pandas, pytest, pkgconfig, setuptools_scm, six }:
 
 let
   _arrow-cpp = arrow-cpp.override { inherit python; };
diff --git a/pkgs/development/python-modules/pyasn1-modules/default.nix b/pkgs/development/python-modules/pyasn1-modules/default.nix
index 9817a73be92c..446ec81bb4f8 100644
--- a/pkgs/development/python-modules/pyasn1-modules/default.nix
+++ b/pkgs/development/python-modules/pyasn1-modules/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , fetchPypi
 , pyasn1
-, isPyPy
 , pytest
 }:
 
diff --git a/pkgs/development/python-modules/pyblock/default.nix b/pkgs/development/python-modules/pyblock/default.nix
index 5027619d74c8..eb6de23e0eaa 100644
--- a/pkgs/development/python-modules/pyblock/default.nix
+++ b/pkgs/development/python-modules/pyblock/default.nix
@@ -1,5 +1,4 @@
 { stdenv
-, fetchurl
 , python
 , pkgs
 , isPy3k
diff --git a/pkgs/development/python-modules/pyflakes/default.nix b/pkgs/development/python-modules/pyflakes/default.nix
index 026e5626c023..5ea7ba9c7a89 100644
--- a/pkgs/development/python-modules/pyflakes/default.nix
+++ b/pkgs/development/python-modules/pyflakes/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, isPyPy, unittest2 }:
+{ stdenv, buildPythonPackage, fetchPypi, unittest2 }:
 
 buildPythonPackage rec {
   pname = "pyflakes";
diff --git a/pkgs/development/python-modules/pyftgl/default.nix b/pkgs/development/python-modules/pyftgl/default.nix
index 1163f007b092..2b20ba956009 100644
--- a/pkgs/development/python-modules/pyftgl/default.nix
+++ b/pkgs/development/python-modules/pyftgl/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchFromGitHub, isPy3k
+{ lib, buildPythonPackage, fetchFromGitHub
 , boost, freetype, ftgl, libGLU_combined
 , python
 }:
diff --git a/pkgs/development/python-modules/pyftpdlib/default.nix b/pkgs/development/python-modules/pyftpdlib/default.nix
index e0f0f25c9add..9fc654292ab3 100644
--- a/pkgs/development/python-modules/pyftpdlib/default.nix
+++ b/pkgs/development/python-modules/pyftpdlib/default.nix
@@ -5,7 +5,6 @@
 , psutil
 , pyopenssl
 , pysendfile
-, python
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/pygame_sdl2/default.nix b/pkgs/development/python-modules/pygame_sdl2/default.nix
index 18eced7e8067..ab46a5670eeb 100644
--- a/pkgs/development/python-modules/pygame_sdl2/default.nix
+++ b/pkgs/development/python-modules/pygame_sdl2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchurl, isPy27, fetchpatch
+{ stdenv, buildPythonPackage, fetchurl, isPy27
 , cython, SDL2, SDL2_image, SDL2_ttf, SDL2_mixer, libjpeg, libpng }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/pygmo/default.nix b/pkgs/development/python-modules/pygmo/default.nix
index 30e4444f5527..507310b4c51e 100644
--- a/pkgs/development/python-modules/pygmo/default.nix
+++ b/pkgs/development/python-modules/pygmo/default.nix
@@ -1,5 +1,4 @@
 { lib
-, fetchFromGitHub
 , buildPythonPackage
 , eigen
 , nlopt
diff --git a/pkgs/development/python-modules/pyhepmc/default.nix b/pkgs/development/python-modules/pyhepmc/default.nix
index acb5c9648783..0ff269c98740 100644
--- a/pkgs/development/python-modules/pyhepmc/default.nix
+++ b/pkgs/development/python-modules/pyhepmc/default.nix
@@ -3,7 +3,6 @@
 , fetchPypi
 , fetchFromBitbucket
 , isPy3k
-, fetchurl
 , pkgs
 , python
 }:
diff --git a/pkgs/development/python-modules/pylint/1.9.nix b/pkgs/development/python-modules/pylint/1.9.nix
index a88b5ba7356c..c088ea6a3967 100644
--- a/pkgs/development/python-modules/pylint/1.9.nix
+++ b/pkgs/development/python-modules/pylint/1.9.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildPythonPackage, fetchPypi, python, astroid, six, isort,
+{ stdenv, lib, buildPythonPackage, fetchPypi, astroid, six, isort,
   mccabe, configparser, backports_functools_lru_cache, singledispatch,
   pytest, pytestrunner, pyenchant }:
 
diff --git a/pkgs/development/python-modules/pylint/default.nix b/pkgs/development/python-modules/pylint/default.nix
index 64259872ce32..4faeb05280d0 100644
--- a/pkgs/development/python-modules/pylint/default.nix
+++ b/pkgs/development/python-modules/pylint/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildPythonPackage, fetchPypi, python, pythonOlder, astroid,
+{ stdenv, lib, buildPythonPackage, fetchPypi, pythonOlder, astroid,
   isort, mccabe, pytest, pytestrunner }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/pymatgen-lammps/default.nix b/pkgs/development/python-modules/pymatgen-lammps/default.nix
index dbe9107c7c83..c38f56885d14 100644
--- a/pkgs/development/python-modules/pymatgen-lammps/default.nix
+++ b/pkgs/development/python-modules/pymatgen-lammps/default.nix
@@ -2,7 +2,6 @@
 , fetchurl
 , buildPythonPackage
 , pymatgen
-, lammps
 , pytestrunner
 , pytest
 , isPy3k
diff --git a/pkgs/development/python-modules/pyparted/default.nix b/pkgs/development/python-modules/pyparted/default.nix
index 1db09842fa98..1a477ab23284 100644
--- a/pkgs/development/python-modules/pyparted/default.nix
+++ b/pkgs/development/python-modules/pyparted/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchurl
 , isPyPy
 , pkgs
 , python
diff --git a/pkgs/development/python-modules/pyqt/5.x.nix b/pkgs/development/python-modules/pyqt/5.x.nix
index 46de94cd0c68..288f35f23524 100644
--- a/pkgs/development/python-modules/pyqt/5.x.nix
+++ b/pkgs/development/python-modules/pyqt/5.x.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, fetchpatch, pythonPackages, pkgconfig
+{ lib, fetchurl, pythonPackages, pkgconfig
 , qmake, lndir, qtbase, qtsvg, qtwebengine, dbus
 , withConnectivity ? false, qtconnectivity
 , withWebKit ? false, qtwebkit
diff --git a/pkgs/development/python-modules/pyreadability/default.nix b/pkgs/development/python-modules/pyreadability/default.nix
index a95074b906e3..60bdbf011674 100644
--- a/pkgs/development/python-modules/pyreadability/default.nix
+++ b/pkgs/development/python-modules/pyreadability/default.nix
@@ -1,6 +1,5 @@
 { lib, fetchPypi, buildPythonPackage
 , requests, chardet, cssselect, lxml
-, pytest
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/pytest-ansible/default.nix b/pkgs/development/python-modules/pytest-ansible/default.nix
index e37fa07f2723..3085ee06e870 100644
--- a/pkgs/development/python-modules/pytest-ansible/default.nix
+++ b/pkgs/development/python-modules/pytest-ansible/default.nix
@@ -4,7 +4,6 @@
 , ansible
 , pytest
 , mock
-, isPy3k
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/pytest-benchmark/default.nix b/pkgs/development/python-modules/pytest-benchmark/default.nix
index 0a361627e8e9..b43c00e42d9f 100644
--- a/pkgs/development/python-modules/pytest-benchmark/default.nix
+++ b/pkgs/development/python-modules/pytest-benchmark/default.nix
@@ -1,7 +1,6 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, pytestrunner
 , pytest
 , py-cpuinfo
 , pythonOlder
diff --git a/pkgs/development/python-modules/python-engineio/default.nix b/pkgs/development/python-modules/python-engineio/default.nix
index adb6d71fb40d..93dd9fb654f9 100644
--- a/pkgs/development/python-modules/python-engineio/default.nix
+++ b/pkgs/development/python-modules/python-engineio/default.nix
@@ -1,5 +1,4 @@
 { stdenv
-, lib
 , buildPythonPackage
 , fetchFromGitHub
 , six
diff --git a/pkgs/development/python-modules/python-jenkins/default.nix b/pkgs/development/python-modules/python-jenkins/default.nix
index 44f1c0d6c39d..9cd55757aac7 100644
--- a/pkgs/development/python-modules/python-jenkins/default.nix
+++ b/pkgs/development/python-modules/python-jenkins/default.nix
@@ -1,16 +1,12 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, python
 , mock
 , pbr
 , pyyaml
 , six
 , multi_key_dict
-, testtools
 , testscenarios
-, testrepository
-, kerberos
 , requests
 , unittest2
 , requests-mock
diff --git a/pkgs/development/python-modules/python-mapnik/default.nix b/pkgs/development/python-modules/python-mapnik/default.nix
index 8523020ccf50..35b7a706f609 100644
--- a/pkgs/development/python-modules/python-mapnik/default.nix
+++ b/pkgs/development/python-modules/python-mapnik/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchFromGitHub
 , isPyPy
 , python
 , pkgs
diff --git a/pkgs/development/python-modules/python-snappy/default.nix b/pkgs/development/python-modules/python-snappy/default.nix
index d3ab69ac9570..328b1ec0994d 100644
--- a/pkgs/development/python-modules/python-snappy/default.nix
+++ b/pkgs/development/python-modules/python-snappy/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , fetchPypi
 , isPyPy
-, python
 , snappy
 , cffi
 , nose
diff --git a/pkgs/development/python-modules/pyutil/default.nix b/pkgs/development/python-modules/pyutil/default.nix
index b7c38c512652..ce0c514e3eca 100644
--- a/pkgs/development/python-modules/pyutil/default.nix
+++ b/pkgs/development/python-modules/pyutil/default.nix
@@ -4,7 +4,6 @@
 , setuptoolsDarcs
 , setuptoolsTrial
 , simplejson
-, zbase32
 , twisted
 , isPyPy
 }:
diff --git a/pkgs/development/python-modules/pyuv/default.nix b/pkgs/development/python-modules/pyuv/default.nix
index 04e2c2f08185..cd76b283028f 100644
--- a/pkgs/development/python-modules/pyuv/default.nix
+++ b/pkgs/development/python-modules/pyuv/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchurl
 , isPyPy
 , pkgs
 }:
diff --git a/pkgs/development/python-modules/pywbem/default.nix b/pkgs/development/python-modules/pywbem/default.nix
index 90a415060eb8..83403b3d1500 100644
--- a/pkgs/development/python-modules/pywbem/default.nix
+++ b/pkgs/development/python-modules/pywbem/default.nix
@@ -1,5 +1,5 @@
 { lib, buildPythonPackage, fetchPypi, libxml2
-, m2crypto, ply, pyyaml, six, pbr, pythonOlder, isPy37, python
+, m2crypto, ply, pyyaml, six, pbr, pythonOlder, isPy37
 , httpretty, lxml, mock, pytest, requests, decorator, unittest2
 }:
 
diff --git a/pkgs/development/python-modules/qrcode/default.nix b/pkgs/development/python-modules/qrcode/default.nix
index 363f43c857dd..4321c025b56d 100644
--- a/pkgs/development/python-modules/qrcode/default.nix
+++ b/pkgs/development/python-modules/qrcode/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, isPy27
 , fetchPypi
 , six
 , pillow
diff --git a/pkgs/development/python-modules/requests-aws4auth/default.nix b/pkgs/development/python-modules/requests-aws4auth/default.nix
index b7010eccf0b3..46d1dbdbbd62 100644
--- a/pkgs/development/python-modules/requests-aws4auth/default.nix
+++ b/pkgs/development/python-modules/requests-aws4auth/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, fetchzip, isPy3k, requests }:
+{ lib, buildPythonPackage, fetchPypi, isPy3k, requests }:
 with lib;
 buildPythonPackage rec {
   pname = "requests-aws4auth";
diff --git a/pkgs/development/python-modules/restructuredtext_lint/default.nix b/pkgs/development/python-modules/restructuredtext_lint/default.nix
index 4522c7623283..340c558b7a42 100644
--- a/pkgs/development/python-modules/restructuredtext_lint/default.nix
+++ b/pkgs/development/python-modules/restructuredtext_lint/default.nix
@@ -1,7 +1,6 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, isPy37
 , docutils
 , nose
 , testtools
diff --git a/pkgs/development/python-modules/samplerate/default.nix b/pkgs/development/python-modules/samplerate/default.nix
index 432e2194b098..b5952e6ee156 100644
--- a/pkgs/development/python-modules/samplerate/default.nix
+++ b/pkgs/development/python-modules/samplerate/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchgit
 , numpy
 , pkgs
 }:
diff --git a/pkgs/development/python-modules/scikit-bio/default.nix b/pkgs/development/python-modules/scikit-bio/default.nix
index cc83c31ca5df..c5e36f8ac070 100644
--- a/pkgs/development/python-modules/scikit-bio/default.nix
+++ b/pkgs/development/python-modules/scikit-bio/default.nix
@@ -13,7 +13,6 @@
 , scipy
 , hdmedians
 , scikitlearn
-, pytest
 , coverage
 , python
 , isPy3k
diff --git a/pkgs/development/python-modules/scikitlearn/default.nix b/pkgs/development/python-modules/scikitlearn/default.nix
index 454066c1c163..04ea254ee928 100644
--- a/pkgs/development/python-modules/scikitlearn/default.nix
+++ b/pkgs/development/python-modules/scikitlearn/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi, python
+{ stdenv, buildPythonPackage, fetchPypi
 , gfortran, glibcLocales
 , numpy, scipy, pytest, pillow
 }:
diff --git a/pkgs/development/python-modules/scipy/default.nix b/pkgs/development/python-modules/scipy/default.nix
index 01c54ef5f16b..af6dbeaa5e17 100644
--- a/pkgs/development/python-modules/scipy/default.nix
+++ b/pkgs/development/python-modules/scipy/default.nix
@@ -1,4 +1,4 @@
-{lib, fetchPypi, python, buildPythonPackage, gfortran, nose, pytest, numpy, fetchpatch}:
+{lib, fetchPypi, python, buildPythonPackage, gfortran, nose, pytest, numpy}:
 
 buildPythonPackage rec {
   pname = "scipy";
diff --git a/pkgs/development/python-modules/selectors34/default.nix b/pkgs/development/python-modules/selectors34/default.nix
index 76f6232bafa7..079e88378c07 100644
--- a/pkgs/development/python-modules/selectors34/default.nix
+++ b/pkgs/development/python-modules/selectors34/default.nix
@@ -1,7 +1,6 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, lib
 , python
 , six
 }:
diff --git a/pkgs/development/python-modules/simplejson/default.nix b/pkgs/development/python-modules/simplejson/default.nix
index cc60e81a59ee..9e80830f4380 100644
--- a/pkgs/development/python-modules/simplejson/default.nix
+++ b/pkgs/development/python-modules/simplejson/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , fetchPypi
 , stdenv
-, isPy3k
 , pytest
 }:
 
diff --git a/pkgs/development/python-modules/sqlalchemy-imageattach/default.nix b/pkgs/development/python-modules/sqlalchemy-imageattach/default.nix
index 53eb223b25a7..96de95655e05 100644
--- a/pkgs/development/python-modules/sqlalchemy-imageattach/default.nix
+++ b/pkgs/development/python-modules/sqlalchemy-imageattach/default.nix
@@ -1,6 +1,5 @@
 { stdenv
 , buildPythonPackage
-, fetchFromGitHub
 , pytest
 , Wand
 , webob
diff --git a/pkgs/development/python-modules/sqlalchemy-migrate/default.nix b/pkgs/development/python-modules/sqlalchemy-migrate/default.nix
index 596f9e47a08d..ba93fb040b9a 100644
--- a/pkgs/development/python-modules/sqlalchemy-migrate/default.nix
+++ b/pkgs/development/python-modules/sqlalchemy-migrate/default.nix
@@ -1,5 +1,5 @@
 { stdenv, buildPythonPackage, fetchPypi, fetchpatch, python
-, unittest2, scripttest, pytz, pylint, mock
+, unittest2, scripttest, pytz, mock
 , testtools, pbr, tempita, decorator, sqlalchemy
 , six, sqlparse, testrepository
 }:
diff --git a/pkgs/development/python-modules/ssdp/default.nix b/pkgs/development/python-modules/ssdp/default.nix
index 36cf33d8c252..82f1315ba3d2 100644
--- a/pkgs/development/python-modules/ssdp/default.nix
+++ b/pkgs/development/python-modules/ssdp/default.nix
@@ -1,7 +1,6 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, pkgs
 , pbr
 , pytest
 }:
diff --git a/pkgs/development/python-modules/structlog/default.nix b/pkgs/development/python-modules/structlog/default.nix
index aa582aacaa94..f7e390bd6788 100644
--- a/pkgs/development/python-modules/structlog/default.nix
+++ b/pkgs/development/python-modules/structlog/default.nix
@@ -1,7 +1,6 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, fetchpatch
 , pytest
 , python-rapidjson
 , pretend
diff --git a/pkgs/development/python-modules/tensorflow-estimator/default.nix b/pkgs/development/python-modules/tensorflow-estimator/default.nix
index 5b9e032c49a9..3b33ac413ba9 100644
--- a/pkgs/development/python-modules/tensorflow-estimator/default.nix
+++ b/pkgs/development/python-modules/tensorflow-estimator/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchPypi, buildPythonPackage, isPy3k
+{ stdenv, fetchPypi, buildPythonPackage
 , numpy
 , absl-py 
 , mock
diff --git a/pkgs/development/python-modules/tensorflow/bin.nix b/pkgs/development/python-modules/tensorflow/bin.nix
index 03f1e66bf501..e4372fc2ec45 100644
--- a/pkgs/development/python-modules/tensorflow/bin.nix
+++ b/pkgs/development/python-modules/tensorflow/bin.nix
@@ -2,7 +2,7 @@
 , lib
 , fetchurl
 , buildPythonPackage
-, isPy3k, isPy36, pythonOlder
+, isPy3k, pythonOlder
 , astor
 , gast
 , numpy
@@ -13,7 +13,6 @@
 , grpcio
 , mock
 , backports_weakref
-, enum34
 , tensorflow-estimator
 , tensorflow-tensorboard
 , cudaSupport ? false
diff --git a/pkgs/development/python-modules/tflearn/default.nix b/pkgs/development/python-modules/tflearn/default.nix
index 341c1da56801..03185ae4d9fe 100644
--- a/pkgs/development/python-modules/tflearn/default.nix
+++ b/pkgs/development/python-modules/tflearn/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchPypi, buildPythonPackage, fetchurl, pytest, scipy, h5py
+{ lib, fetchPypi, buildPythonPackage, pytest, scipy, h5py
 , pillow, tensorflow }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/tqdm/default.nix b/pkgs/development/python-modules/tqdm/default.nix
index f224ec21b0e8..cc0745afef41 100644
--- a/pkgs/development/python-modules/tqdm/default.nix
+++ b/pkgs/development/python-modules/tqdm/default.nix
@@ -5,7 +5,6 @@
 , coverage
 , glibcLocales
 , flake8
-, stdenv
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/tweepy/default.nix b/pkgs/development/python-modules/tweepy/default.nix
index 97903a4a222b..3218ff43e279 100644
--- a/pkgs/development/python-modules/tweepy/default.nix
+++ b/pkgs/development/python-modules/tweepy/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, fetchpatch, requests, six, requests_oauthlib }:
+{ lib, buildPythonPackage, fetchPypi, requests, six, requests_oauthlib }:
 
 buildPythonPackage rec {
   pname = "tweepy";
diff --git a/pkgs/development/python-modules/unicorn/default.nix b/pkgs/development/python-modules/unicorn/default.nix
index de317ec1844e..35afe10f8d24 100644
--- a/pkgs/development/python-modules/unicorn/default.nix
+++ b/pkgs/development/python-modules/unicorn/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPackages, buildPythonPackage, fetchPypi, isPy3k }:
+{ stdenv, buildPackages, buildPythonPackage, fetchPypi }:
 
 buildPythonPackage rec {
   name  = "${pname}-${version}";
diff --git a/pkgs/development/python-modules/uuid/default.nix b/pkgs/development/python-modules/uuid/default.nix
index 0481e5c24c0f..5e31f6ccad09 100644
--- a/pkgs/development/python-modules/uuid/default.nix
+++ b/pkgs/development/python-modules/uuid/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, buildPythonPackage, fetchPypi }:
+{ lib, buildPythonPackage, fetchPypi }:
 
 buildPythonPackage rec {
   pname = "uuid";
diff --git a/pkgs/development/python-modules/vowpalwabbit/default.nix b/pkgs/development/python-modules/vowpalwabbit/default.nix
index e2e305635200..a91de2d7eeed 100644
--- a/pkgs/development/python-modules/vowpalwabbit/default.nix
+++ b/pkgs/development/python-modules/vowpalwabbit/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildPythonPackage, fetchPypi, python, boost, zlib, clang
+{ stdenv, lib, buildPythonPackage, fetchPypi, python, zlib, clang
 , ncurses, pytest, docutils, pygments, numpy, scipy, scikitlearn }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/webapp2/default.nix b/pkgs/development/python-modules/webapp2/default.nix
index 91ce52ff5adc..584440eab6ae 100644
--- a/pkgs/development/python-modules/webapp2/default.nix
+++ b/pkgs/development/python-modules/webapp2/default.nix
@@ -3,7 +3,6 @@
 , fetchPypi
 , webob
 , six
-, jinja2
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/weboob/default.nix b/pkgs/development/python-modules/weboob/default.nix
index 26eca0d24cc1..d78cb7f3de9c 100644
--- a/pkgs/development/python-modules/weboob/default.nix
+++ b/pkgs/development/python-modules/weboob/default.nix
@@ -1,4 +1,4 @@
-{ buildPythonPackage, fetchurl, fetchPypi, stdenv, isPy27
+{ buildPythonPackage, fetchurl, stdenv, isPy27
 , nose, pillow, prettytable, pyyaml, dateutil, gdata
 , requests, mechanize, feedparser, lxml, gnupg, pyqt5
 , libyaml, simplejson, cssselect, futures, pdfminer
diff --git a/pkgs/development/python-modules/werkzeug/default.nix b/pkgs/development/python-modules/werkzeug/default.nix
index 9b5e3f9ca5f9..cb46e498db7d 100644
--- a/pkgs/development/python-modules/werkzeug/default.nix
+++ b/pkgs/development/python-modules/werkzeug/default.nix
@@ -1,6 +1,6 @@
 { stdenv, buildPythonPackage, fetchPypi
 , itsdangerous, hypothesis
-, pytest, requests, glibcLocales }:
+, pytest, requests }:
 
 buildPythonPackage rec {
   pname = "Werkzeug";
diff --git a/pkgs/development/python-modules/wrf-python/default.nix b/pkgs/development/python-modules/wrf-python/default.nix
index 3adbaa942dd5..8d1443837cde 100644
--- a/pkgs/development/python-modules/wrf-python/default.nix
+++ b/pkgs/development/python-modules/wrf-python/default.nix
@@ -1,4 +1,4 @@
-{lib, fetchFromGitHub, python, pythonOlder, buildPythonPackage, gfortran, mock, xarray, wrapt, numpy, netcdf4}:
+{lib, fetchFromGitHub, pythonOlder, buildPythonPackage, gfortran, mock, xarray, wrapt, numpy, netcdf4}:
 
 buildPythonPackage rec {
   pname = "wrf-python";
diff --git a/pkgs/development/python-modules/xdot/default.nix b/pkgs/development/python-modules/xdot/default.nix
index 8ad249a4c1a4..14f4b24747c7 100644
--- a/pkgs/development/python-modules/xdot/default.nix
+++ b/pkgs/development/python-modules/xdot/default.nix
@@ -1,5 +1,5 @@
 { lib, buildPythonPackage, fetchPypi, isPy3k
-, wrapGAppsHook, gobject-introspection, pygobject3, graphviz, gnome3, gtk3 }:
+, wrapGAppsHook, gobject-introspection, pygobject3, graphviz, gtk3 }:
 
 buildPythonPackage rec {
   pname = "xdot";
diff --git a/pkgs/development/python-modules/xgboost/default.nix b/pkgs/development/python-modules/xgboost/default.nix
index 559789149736..bbe7c9862606 100644
--- a/pkgs/development/python-modules/xgboost/default.nix
+++ b/pkgs/development/python-modules/xgboost/default.nix
@@ -1,5 +1,4 @@
-{ stdenv
-, buildPythonPackage
+{ buildPythonPackage
 , pytest
 , nose
 , scipy
diff --git a/pkgs/development/python-modules/xnd/default.nix b/pkgs/development/python-modules/xnd/default.nix
index 8ffb8f96936b..558e414debf8 100644
--- a/pkgs/development/python-modules/xnd/default.nix
+++ b/pkgs/development/python-modules/xnd/default.nix
@@ -1,6 +1,4 @@
-{ lib
-, buildPythonPackage
-, fetchFromGitHub
+{ buildPythonPackage
 , ndtypes
 , libndtypes
 , libxnd
diff --git a/pkgs/development/python-modules/yattag/default.nix b/pkgs/development/python-modules/yattag/default.nix
index 5c02ea83ec99..b8a7dc47c10a 100644
--- a/pkgs/development/python-modules/yattag/default.nix
+++ b/pkgs/development/python-modules/yattag/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, buildPythonPackage, fetchPypi }:
+{ lib, buildPythonPackage, fetchPypi }:
 
 buildPythonPackage rec {
   pname = "yattag";
diff --git a/pkgs/development/python-modules/zope_configuration/default.nix b/pkgs/development/python-modules/zope_configuration/default.nix
index 28f461689972..e0ec7bd6ca80 100644
--- a/pkgs/development/python-modules/zope_configuration/default.nix
+++ b/pkgs/development/python-modules/zope_configuration/default.nix
@@ -5,7 +5,6 @@
 , zope_schema
 , zope_testrunner
 , manuel
-, isPy3k
 }:
 
 buildPythonPackage rec {
diff --git a/pkgs/development/python-modules/zstd/default.nix b/pkgs/development/python-modules/zstd/default.nix
index 3706fd06a15d..08b1d67ffee5 100644
--- a/pkgs/development/python-modules/zstd/default.nix
+++ b/pkgs/development/python-modules/zstd/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, pkgconfig, fetchpatch, fetchPypi, buildPythonPackage
+{ stdenv, pkgconfig, fetchPypi, buildPythonPackage
 , zstd, pytest }:
 
 buildPythonPackage rec {