anchor.diff:    src = fetchPyPi {
       package = "FlexGet";
       inherit version;
  -    sha256 = "8588bfbea8d123743f6470bb2ea94c59a5f4de582ef79085969d63b83c5aa811";
  +    sha256 = "7071dc0aa07e73d13eb2294af3b0d352a7209d3f15e63ddeaabd5459604f5aeb";
     };
   
     propagatedBuildInputs = [
       apscheduler
       beautifulsoup
  +    cheroot
       cherrypy
       colorclass
       feedparser
  
positive.code: 
    disabled = isPy3k;
  
    meta = with stdenv.lib; {
      description = "Automation tool for content like torrents, nzbs, podcasts";
      homepage = http://flexget.com/;
      license = licenses.mit;
  
negative.code:     jinja2
      jsonschema
      pathpy
      portend
      pynzb
      pyparsing
      pyrss2gen
  