anchor.diff:      pythonPackages.deluge
     ];
   
  +  disabled = isPy3k;
     doCheck = false;
   
     meta = with stdenv.lib; {
  
positive.code:   inherit (stdenv.lib)
      optionals;
    inherit (pythonPackages)
      pythonOlder;
  in
  
  
negative.code:     pythonPackages.jinja2
      pythonPackages.jsonschema
      pythonPackages.pathpy
      #pythonPackages.progressbar
      pythonPackages.pynzb
      pythonPackages.pyparsing
      pythonPackages.pyrss2gen
      pythonPackages.python-dateutil
      pythonPackages.pyyaml
      pythonPackages.requests2
      pythonPackages.rpyc
      pythonPackages.safe
      pythonPackages.sqlalchemy
  
      #pythonPackages.paver
      #pythonPackages.python-tvrage
      #pythonPackages.tmdb3
      pythonPackages.transmissionrpc
    ] ++ optionals (pythonOlder "3.4") [
      pythonPackages.pathlib
  