python3Packages.python-jenkins: skip test failing on darwin

pkgs/development/python-modules/python-jenkins/default.nix

@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , buildPythonPackage
 , fetchPypi
 , mock
@@ -22,6 +23,13 @@ buildPythonPackage rec {
     sha256 = "01jid5s09lr3kayr2h1z9n8h9nhyw3jxv9c4b5hrlxijknkqzvfy";
   };
 
+  # test uses timeout mechanism unsafe for use with the "spawn"
+  # multiprocessing backend used on macos
+  postPatch = lib.optionalString stdenv.isDarwin ''
+    substituteInPlace tests/test_jenkins_sockets.py \
+      --replace test_jenkins_open_no_timeout dont_test_jenkins_open_no_timeout
+  '';
+
   buildInputs = [ mock ];
   propagatedBuildInputs = [ pbr pyyaml setuptools six multi_key_dict requests ];