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-rw-r--r--nixpkgs/pkgs/applications/science/math/sage/patches/sagenb-cmp-deprecation.patch13
1 files changed, 13 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/math/sage/patches/sagenb-cmp-deprecation.patch b/nixpkgs/pkgs/applications/science/math/sage/patches/sagenb-cmp-deprecation.patch
new file mode 100644
index 000000000000..9f502a669517
--- /dev/null
+++ b/nixpkgs/pkgs/applications/science/math/sage/patches/sagenb-cmp-deprecation.patch
@@ -0,0 +1,13 @@
+diff --git a/sagenb/__init__.py b/sagenb/__init__.py
+index 4db0d2cb..2fc5f01e 100644
+--- a/sagenb/__init__.py
++++ b/sagenb/__init__.py
+@@ -1,3 +1,8 @@
+ # -*- coding: utf-8 -*
+   # init
++import warnings
+ from . import storage
++
++# deprecation in attrs, needs to be fixed in twisted
++warnings.filterwarnings('ignore', category=DeprecationWarning,
++    message=r'The usage of `cmp` is deprecated and will be removed.*')