anchor.diff:  , buildPythonPackage
   , fetchPypi
   , setuptools_scm
  -, pytestrunner
   , pytest
  +, pytest-flake8
   , glibcLocales
   , packaging
   , isPy27
  
positive.code: buildPythonPackage rec {
    pname = "path.py";
    version = "11.5.0";
    name = pname + "-" + version;
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "b6687a532a735a2d79a13e92bdb31cb0971abe936ea0fa78bcb47faf4372b3cb";
    };
  
    checkInputs = [ pytest pytestrunner glibcLocales packaging ];
    buildInputs = [ setuptools_scm ];
    propagatedBuildInputs = [
      importlib-metadata
  
negative.code:   };
  
    checkPhase = ''
      # ignore performance test which may fail when the system is under load
      py.test -v -k 'not TestPerformance'
    '';
  }
  