anchor.diff:  , lib
   , buildPythonPackage
   , fetchFromGitHub
  -, pythonAtLeast
   , pythonOlder
   , installShellFiles
   , astroid
  
positive.code: 
  buildPythonPackage rec {
    pname = "pylint";
    version = "2.14.0";
    format = "setuptools";
  
    disabled = pythonOlder "3.7.2";
  
negative.code:     owner = "PyCQA";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-rtyqHRDywv3l8bDgEjQlsh8lvwWbLswOPujFakaLWOw=";
    };
  
    nativeBuildInputs = [
  