anchor.diff:  , pythonOlder
   , fetchFromGitHub
   , fetchpatch
  +
   # propagatedBuildInputs
   , babel
   , alabaster
  
positive.code:   ];
  
    checkInputs = [
      html5lib
      pytestCheckHook
    ] ++ lib.optionals (pythonOlder "3.8") [
      typed-ast
    ];
  
    disabledTests = [
      # requires network access
  
negative.code: 
  buildPythonPackage rec {
    pname = "sphinx";
    version = "5.1.1";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  