Traceback (most recent call last):
  File "/home/damien/Exaile-SVN/xl/panels/playlists.py", line 491, in open_playlist
    random.shuffle(songs)
  File "/usr/lib/python2.5/random.py", line 262, in shuffle
    x[i], x[j] = x[j], x[i]
AttributeError: TrackData instance has no attribute '__setitem__'