anchor.diff:      nose
       pyacoustid
       pyechonest
  -    pygobject_3
       pylast
       pyxdg
       pyyaml
  
positive.code: , flac
  , flask
  , gobject-introspection
  #, gst-plugins-bad
  , gst-plugins-base
  , gst-plugins-good
  #, gst-plugins-ugly
  , gst-python
  , gstreamer
  , imagemagick
  , itsdangerous
  , jellyfish
  
negative.code:     flask
      # Need to for hook to set GI_TYPELIB_PATH
      gobject-introspection
      imagemagick
      itsdangerous
      jellyfish
  