anchor.diff:    ];
   
     checkInputs = [
  -    pytest pytest-cov sybil
  +    pytestCheckHook
  +    sybil
     ];
   
  -  checkPhase = ''
  -    pytest
  +  postPatch = ''
  +    substituteInPlace setup.cfg \
  +      --replace "--cov=public" ""
     '';
   
  +  pythonImportsCheck = [
  +    "public"
  +  ];
  +
     meta = with lib; {
  -    homepage = "https://public.readthedocs.io/en/latest/";
  -    description = "A decorator and function which populates a module's __all__ and globals";
  +    description = "Python decorator and function which populates a module's __all__ and globals";
  +    homepage = "https://public.readthedocs.io/";
       longDescription = ''
         This is a very simple decorator and function which populates a module's
         __all__ and optionally the module globals.
  -
  -      This provides both a pure-Python implementation and a C implementation. It is
  -      proposed that the C implementation be added to builtins_ for Python 3.6.
  -
  -      This proposal seems to have been rejected, for more information see
  -      https://bugs.python.org/issue26632.
       '';
       license = licenses.asl20;
       maintainers = with maintainers; [ eadwu ];
  
positive.code: { lib, isPy3k, pythonOlder, fetchPypi, buildPythonPackage
  , pytest
  , pytest-cov
  , sybil
  , typing-extensions
  }:
  
negative.code: buildPythonPackage rec {
    pname = "atpublic";
    version = "2.3";
    format = "setuptools";
  
    disabled = pythonOlder "3.6";
  
    src = fetchPypi {
      inherit pname version;
  