anchor.diff:    src = fetchgit {
       version = 2;
       url = "git://git.deluge-torrent.org/deluge";
  -    rev = "aa164cdbcea86db9cd53c680c18a08b161ec6976";
  +    rev = "df4d97c44731ee4125df8ca99c2eb31974573efa";
       branchName = "develop";
  -    sha256 = "10gpj6g0kpgf0bpp6rlw3wnai3i54glvb2kwifxgmd8d072awmd5";
  +    sha256 = "c6a1c0a63ac56d57414f9a7d2e86e626be052319660887c43a273e35c8a12a08";
     };
   
     nativeBuildInputs = [
  
positive.code: }:
  
  let
    inherit (pythonPackages)
      isPy3k;
    inherit (lib)
      optionals;
  
    version = "2016-09-28";
    # Using an invalid version breaks compatibility with some trackers
    versionSpoof = "1.3.13";
  in
  
negative.code:     chardet
      geoip
      librsvg
      libtorrent-rasterbar_1-1_head
      Mako
      pillow
      #pygame
  