anchor.diff:  
     checkInputs = [
       cssselect
  +    jaraco-test
       lxml
       mock
       pytestCheckHook
  
positive.code: , fetchPypi
  , setuptools
  , setuptools-scm
  , toml
  , importlib-metadata
  , cssselect
  , lxml
  , mock
  , pytestCheckHook
  
negative.code: 
  buildPythonPackage rec {
    pname = "cssutils";
    version = "2.4.2";
  
    disabled = pythonOlder "3.7";
  
  