anchor.diff:  
   buildPythonPackage rec {
     pname = "flower";
  -  version = "1.1.0";
  +  version = "1.2.0";
     format = "setuptools";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "sha256-+SDKKQLXU5/BgKsV5R8dkYNV5cwj2oVP+dWcbloXJbY=";
  +    sha256 = "46493c7e8d9ca2167e8a46eb97ae8d280997cb40a81993230124d74f0fe40bac";
     };
   
     postPatch = ''
  
positive.code: , fetchPypi
  , celery
  , humanize
  , mock
  , pytz
  , tornado
  , prometheus-client
  
negative.code:   ];
  
    checkInputs = [
      pytestCheckHook
    ];
  
    pythonImportsCheck = [
  