anchor.diff:  { lib
   , aiohttp
   , aioresponses
  -, appdirs
   , attrs
   , buildPythonPackage
   , cached-property
  
positive.code:     pytest-httpx
      pytestCheckHook
      requests-mock
      xmlsec
    ];
  
    preCheck = ''
  
negative.code: 
  buildPythonPackage rec {
    pname = "zeep";
    version = "4.1.0";
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = "mvantellingen";
      repo = "python-zeep";
      rev = version;
      sha256 = "sha256-fJLr2LJpbNQTl183R56G7sJILfm04R39qpJxLogQLoo=";
    };
  
    propagatedBuildInputs = [
      attrs
      cached-property
      defusedxml
      httpx
      isodate
      lxml
      platformdirs
      pytz
      requests
      requests-file
      requests-toolbelt
      xmlsec
    ];
  
  