anchor.diff:  , fetchFromGitHub
   , pythonOlder
   , CommonMark
  -, colorama
   , dataclasses
   , poetry-core
   , pygments
  
positive.code: 
  buildPythonPackage rec {
    pname = "rich";
    version = "11.2.0";
    format = "pyproject";
    disabled = pythonOlder "3.6";
  
  
negative.code:     owner = "Textualize";
      repo = pname;
      rev = "v${version}";
      sha256 = "sha256-hx/Xot+LFzhyO17f1hRqsNCFTlKFEq87sFLvd1SGUfo=";
    };
  
    nativeBuildInputs = [ poetry-core ];
  
    propagatedBuildInputs = [
      CommonMark
      pygments
    ] ++ lib.optional (pythonOlder "3.7") [
      dataclasses
    ] ++ lib.optional (pythonOlder "3.9") [
      typing-extensions
    ];
  
    checkInputs = [
  