anchor.diff:    checkInputs = [
       nose
     ];
  -
  -  postPatch = ''
  -    # Remove when https://github.com/reubano/pkutils/pull/4 merged
  -    substituteInPlace requirements.txt \
  -      --replace "semver>=2.2.1,<2.7.3" "semver"
  -  '';
   
     checkPhase = ''
       runHook preCheck
  
positive.code:     owner = "reubano";
      repo = "pkutils";
      rev = "v${version}";
      sha256 = "sha256-jvRUjuxlcfmJOX50bnZR/pP2Axe1KDy9/KGXTL4yPxA=";
    };
  
    propagatedBuildInputs = [
  
negative.code: 
  buildPythonPackage rec {
    pname = "pkutils";
    version = "3.0.2";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  