anchor.diff:  buildPythonPackage rec {
     pname = "wxPython";
     version = "4.0.7.post2";
  +  format = "other";
   
     src = fetchPypi {
       inherit pname version;
  
positive.code: 
    doCheck = false;
  
    nativeBuildInputs = [ pkg-config which doxygen ]
    ++ (if stdenv.isDarwin then [ wxmac ] else [ wxGTK ]);
  
    buildInputs = [ ncurses libintl ]
  
negative.code: , stdenv
  , buildPythonPackage
  , fetchPypi
  , setuptools
  , pkg-config
  , which
  , cairo
  