anchor.diff:    pname = "wxPython";
     version = "4.1.1";
     disabled = isPy27;
  +  format = "other";
   
     src = fetchPypi {
       inherit pname version;
  
positive.code: , stdenv
  , fetchPypi
  , buildPythonPackage
  , which
  , pkg-config
  , python
  
negative.code:     doxygen
      wxGTK.gtk
      pkg-config
      setuptools
    ] ++ lib.optionals stdenv.isLinux [
      autoPatchelfHook
    ];
  