anchor.diff:  }:
   
   let
  -  inherit (pythonPackages)
  -    isPy3k;
     inherit (lib)
       optionals;
   
  -  version = "2016-09-28";
  +  version = "2017-02-13";
     # Using an invalid version breaks compatibility with some trackers
     versionSpoof = "1.3.13";
   in
  
positive.code:   src = fetchgit {
      version = 2;
      url = "git://git.deluge-torrent.org/deluge";
      rev = "aa164cdbcea86db9cd53c680c18a08b161ec6976";
      branchName = "develop";
      sha256 = "10gpj6g0kpgf0bpp6rlw3wnai3i54glvb2kwifxgmd8d072awmd5";
    };
  
    nativeBuildInputs = [
  
negative.code:     chardet
      geoip
      librsvg
      libtorrent-rasterbar_1-1_head
      Mako
      pillow
      #pygame
  