anchor.diff:    meta = with lib; {
       description = "Simple integration of Flask and WTForms.";
       license = licenses.bsd3;
  -    maintainers = [ maintainers.mic92 ];
  +    maintainers = with maintainers; [ mic92 ];
       homepage = "https://github.com/lepture/flask-wtf/";
     };
   }
  
positive.code:     sha256 = "34fe5c6fee0f69b50e30f81a3b7ea16aa1492a771fe9ad0974d164610c09a6c9";
    };
  
    propagatedBuildInputs = [
      flask
      itsdangerous
  
negative.code: { lib
  , fetchPypi
  , fetchpatch
  , buildPythonPackage
  , flask
  , itsdangerous
  