anchor.diff:  
   buildPythonPackage rec {
     name = "flexget-${version}";
  -  version = "2.0.37";
  +  version = "2.0.40";
   
     src = fetchPyPi {
       package = "FlexGet";
       inherit version;
  -    sha256 = "8f9c5e53a2f4cf382b38c128229255bb7498fb9c9df8a113bdd2bc6ee39cd93f";
  +    sha256 = "d94486b534c52be70e6d12efe3eb4792bb1b7cc96861fbf4b48801f5d44c8391";
     };
   
     postPatch =
  
positive.code: , pyrss2gen
  , python-dateutil
  , pyyaml
  , requests2
  , rpyc
  , safe
  , sqlalchemy
  
negative.code:     pyrss2gen
      python-dateutil
      pyyaml
      requests
      rpyc
      safe
      sqlalchemy
  