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-rw-r--r--pkgs/development/python-modules/munkres/default.nix10
1 files changed, 10 insertions, 0 deletions
diff --git a/pkgs/development/python-modules/munkres/default.nix b/pkgs/development/python-modules/munkres/default.nix
index 0df36385c0cd2..3df0e2b01f3b8 100644
--- a/pkgs/development/python-modules/munkres/default.nix
+++ b/pkgs/development/python-modules/munkres/default.nix
@@ -1,6 +1,7 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
 , isPy3k
 , pytestCheckHook
 }:
@@ -16,6 +17,15 @@ buildPythonPackage rec {
     sha256 = "fc44bf3c3979dada4b6b633ddeeb8ffbe8388ee9409e4d4e8310c2da1792db03";
   };
 
+  patches = [
+    # Fixes test on 32-bit systems.
+    # Remove if https://github.com/bmc/munkres/pull/41 is merged.
+    (fetchpatch {
+      url = "https://github.com/bmc/munkres/commit/380a0d593a0569a761c4a035edaa4414c3b4b31d.patch";
+      sha256 = "0ga63k68r2080blzi04ajdl1m6xd87mmlqa8hxn9hyixrg1682vb";
+    })
+  ];
+
   checkInputs = [ pytestCheckHook ];
 
   meta = with stdenv.lib; {