anchor.diff:      "test_parseUrl"
       "encutils"
       "website.logging"
  -  ] ++ lib.optionals (pythonOlder "3.9") [
  -    # AttributeError: module 'importlib.resources' has no attribute 'files'
  -    "test_parseFile"
  -    "test_parseString"
  -    "test_combine"
     ];
   
     pythonImportsCheck = [ "cssutils" ];
  
positive.code: , lxml
  , mock
  , pytestCheckHook
  }:
  
  buildPythonPackage rec {
    pname = "cssutils";
    version = "2.3.0";
  
    disabled = pythonOlder "3.6";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "sha256-stOxYEfKroLlxZADaTW6+htiHPRcLziIWvS+SDjw/QA=";
    };
  
    patches = lib.optionals (pythonAtLeast "3.10") [
      # fix tests for python3.10
      (fetchpatch {
        url = "https://github.com/jaraco/cssutils/pull/17/commits/355b1795dde77bd4b49d8df35377230fdb503802.patch";
        sha256 = "sha256-hwe8oeZO2rq00cs079lje3wjQDEczAu3Tfy/X/M9+GQ=";
      })
    ];
  
    nativeBuildInputs = [
      setuptools-scm
      toml
    ];
  
negative.code: , pythonOlder
  , fetchpatch
  , fetchPypi
  , setuptools
  , setuptools-scm
  , toml
  , importlib-metadata
  