python3Packages.stopit: added setuptools dependency (#234153)

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

···
 { lib
 , buildPythonPackage
 , fetchFromGitHub
+, setuptools
+
 }:
 
 buildPythonPackage rec {
···
     rev = version;
     hash = "sha256-uXJUA70JOGWT2NmS6S7fPrTWAJZ0mZ/hICahIUzjfbw=";
   };
+
+  propagatedBuildInputs = [
+    setuptools # for pkg_resources
+  ];
 
   pythonImportsCheck = [ "stopit" ];