anchor.diff:  
     propagatedBuildInputs = [
       marshmallow
  +    packaging
     ];
   
     checkInputs = [
  
positive.code:       --replace '"pytest-runner",' ""
    '';
  
    pythonImportsCheck = [ "faraday_agent_parameters_types" ];
  
    meta = with lib; {
      description = "Collection of Faraday agent parameters types";
  
negative.code: , buildPythonPackage
  , fetchPypi
  , marshmallow
  , packaging
  , pytestCheckHook
  }:
  
  