anchor.diff:      prometheus_client
     ];
   
  -  checkInputs = [ mock ];
  +  checkInputs = [
  +    mock
  +    pytestCheckHook
  +  ];
   
     pythonImportsCheck = [ "flower" ];
   
  
positive.code: , pytz
  , tornado
  , prometheus_client
  }:
  
  buildPythonPackage rec {
    pname = "flower";
    version = "0.9.7";
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "cf27a254268bb06fd4972408d0518237fcd847f7da4b4cd8055e228150ace8f3";
    };
  
    postPatch = ''
      # rely on using example programs (flowers/examples/tasks.py) which
      # are not part of the distribution
      rm tests/load.py
      substituteInPlace  requirements/default.txt --replace "prometheus_client==0.8.0" "prometheus_client>=0.8.0"
    '';
  
    propagatedBuildInputs = [
  
negative.code:     description = "Celery Flower";
      homepage = "https://github.com/mher/flower";
      license = licenses.bsdOriginal;
      maintainers = with maintainers; [ arnoldfarkas ];
    };
  }
  