anchor.diff:      rev = "v${version}";
       sha256 = "1aparxiq11y0hbvkayp92w684nyxyyx7mi0n1x6x51g5z6c58vmy";
     };
  +
  +  nativeBuildInputs = [
  +    packaging
  +  ] ++ lib.optionals withGui [
  +    qt5.wrapQtAppsHook
  +  ];
   
     propagatedBuildInputs = [
       asn1crypto
  
positive.code:   ];
    inherit doCheck;
  
    nativeBuildInputs = lib.optionals withGui [
      qt5.wrapQtAppsHook
    ];
  
    # If it won't be verbose, you'll see nothing going on for a long time.
    checkPhase = ''
      runHook preCheck
  
negative.code: , click
  , pydot
  , ipython
  , packaging
  , pyqt5
  , pyperclip
  , nose
  