anchor.diff:    propagatedBuildInputs = [
     # geoip-database
     # setproctitle
  -    pkgs.libtorrent-rasterbar
  +    pkgs.libtorrent-rasterbar_1-0
       pkgs.librsvg
       pkgs.xdg-utils
       pythonPackages.chardet
  
positive.code: 
    disabled = isPy3k;
  
    #doCheck = true;
  
    meta = with stdenv.lib; {
      description = "BitTorrent client with a client/server model";
  
negative.code: buildPythonPackage rec {
    name = "deluge-${version}";
    #version = "1.3.12";
    version = "2016-05-18";
  
    /*src = fetchurl {
      url = "http://download.deluge-torrent.org/source/${name}.tar.bz2";
  