anchor.diff:  
     disabled = isPyPy;
   
  -  checkInputs = [ mock pytest pillow selenium ];
  +  checkInputs = [
  +    mock
  +    pytest
  +    pillow
  +    selenium
  +  ];
   
     propagatedBuildInputs = [
       pillow
  
positive.code: 
    src = fetchPypi {
      inherit pname version;
      sha256 = "c60d38a41a777b8147ee4134e6142cea8026b5eebf48149e370c44689869dce7";
    };
  
    patches = [
  
negative.code: { buildPythonPackage
  , fetchPypi
  , futures
  , isPy27
  , isPyPy
  , jinja2
  , lib
  