anchor.diff:  
   with stdenv.lib;
   
  -let version = "3.0.0.0"; in
  +let version = "3.0.2.0"; in
   
   if isPyPy then throw "wxPython-${version} not supported for interpreter ${python.executable}" else stdenv.mkDerivation {
     name = "wxPython-${version}";
  
positive.code:   
    src = fetchurl {
      url = "mirror://sourceforge/wxpython/wxPython-src-${version}.tar.bz2";
      sha256 = "af88695e820dd914e8375dc91ecb736f6fb605979bb38460ace61bbea494dc11";
    };
    
    buildInputs = [ pkgconfig wxGTK (wxGTK.gtk) pythonPackages.python pythonPackages.wrapPython ]
  
negative.code:   meta = {
      platforms = stdenv.lib.platforms.all;
    };
  }
  