pythonPackages.pyrsistent: 0.15.2 -> 0.15.4

ZHF #68361

(cherry picked from commit 0f8d112)
Signed-off-by: Jonathan Ringer <jonringer117@gmail.com>

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

@@ -2,23 +2,23 @@
 , buildPythonPackage
 , fetchPypi
 , six
-, pytest
+, pytest_4
 , hypothesis
 , pytestrunner
 }:
 
 buildPythonPackage rec {
   pname = "pyrsistent";
-  version = "0.15.2";
+  version = "0.15.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0fjwnxg7q1b02j7hk1wqm5xdn7wck9j2g3ggkkizab6l77kjws8n";
+    sha256 = "0cv5xvhfhlj88pb0ghdwivkfcmgi6503qjwxx4r6n06nd6hpzd1l";
   };
 
   propagatedBuildInputs = [ six ];
 
-  checkInputs = [ pytestrunner pytest hypothesis ];
+  checkInputs = [ pytestrunner pytest_4 hypothesis ];
 
   meta = with stdenv.lib; {
     homepage = https://github.com/tobgu/pyrsistent/;