anchor.diff:      owner = "tillsteinbach";
       repo = "WeConnect-mqtt";
       rev = "refs/tags/v${version}";
  -    hash = "sha256-htLyf7ouy/psG/BJr3nATQjd+bTFETjGEWQYs2uMtSM=";
  +    hash = "sha256-WnaVE9WEJmdlxsPUZcEmeCf4DK1GCyd2yQmBiQZ7NkI=";
     };
   
     propagatedBuildInputs = [
       paho-mqtt
       python-dateutil
       weconnect
  -  ];
  +  ] ++ weconnect.optional-dependencies.Images;
   
     postPatch = ''
       substituteInPlace weconnect_mqtt/__version.py \
  
positive.code: 
  buildPythonPackage rec {
    pname = "weconnect-mqtt";
    version = "0.39.2";
    format = "setuptools";
  
    disabled = pythonOlder "3.7";
  
negative.code:     substituteInPlace pytest.ini \
        --replace "--cov=weconnect_mqtt --cov-config=.coveragerc --cov-report html" "" \
        --replace "pytest-cov" ""
    '';
  
    checkInputs = [
  