anchor.diff:  { lib
   , buildPythonPackage
   , fetchFromGitHub
  +, loguru
   , pytestCheckHook
   , six
   , pytest-mypy
  
positive.code: 
  buildPythonPackage rec {
    pname = "python-utils";
    version = "3.1.0";
  
    src = fetchFromGitHub {
      owner = "WoLpH";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-+NgcVIDM9f2OKBpJNWlSyFxEONltPWJSWIu400/5RkQ=
  ";
    };
  
    # disable coverage and linting
  
negative.code:   '';
  
    propagatedBuildInputs = [
      loguru
      six
    ];
  
  