anchor.diff:    src = fetchFromGitHub {
       owner = "fwestenberg";
       repo = pname;
  -    # https://github.com/fwestenberg/reolink/issues/78
  -    rev = "0053";
  -    sha256 = "sha256-kEG+kRTWaC6eQbmlasAWIESFdKPoxQCdZLRrQwb2aRU=";
  +    rev = "v${version}";
  +    sha256 = "sha256-ld1KDWweaG7y7EPN6Y19PzQRGCIFAPEb6AmlXXbjgCU=";
     };
   
     propagatedBuildInputs = [
  
positive.code: 
  buildPythonPackage rec {
    pname = "reolink";
    version = "0.0.53";
    format = "setuptools";
  
    disabled = pythonOlder "3.8";
  
negative.code:     substituteInPlace setup.py \
        --replace "ffmpeg" "ffmpeg-python"
    '';
  
    # https://github.com/fwestenberg/reolink/issues/83
    doCheck = false;
  
    pytestFlagsArray = [
      "test.py"
  