anchor.diff:  , intbitset
   , pytest-xdist
   , pytestCheckHook
  +, pythonAtLeast
   , pythonOlder
   , requests
   , saneyaml
  
positive.code: buildPythonPackage rec {
    pname = "commoncode";
    version = "30.0.0";
  
    disabled = pythonOlder "3.6";
  
  
negative.code:     pytestCheckHook
      pytest-xdist
    ];
  
    disabledTests = lib.optionals stdenv.isDarwin [
      # expected result is tailored towards the quirks of upstream's
      # CI environment on darwin
      "test_searchable_paths"
    ];
  
    disabledTestPaths = lib.optionals (pythonAtLeast "3.10") [
      # https://github.com/nexB/commoncode/issues/36
      "src/commoncode/fetch.py"
    ];
  
    pythonImportsCheck = [
  