Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/serpentine/mainwindow.py", line 80, in run_dialog
    self._on_response_ok ()
  File "/usr/lib/python2.5/site-packages/serpentine/mainwindow.py", line 121, in _on_response_ok
    self.parent.music_list_widget.music_list_gateway.add_files (files).start ()
  File "/usr/lib/python2.5/site-packages/serpentine/mastering.py", line 458, in add_files
    return self.add_hints(map(to_hint, filenames))
  File "/usr/lib/python2.5/site-packages/serpentine/mastering.py", line 472, in add_hints
    pls = self.__filter_location (h["location"])
  File "/usr/lib/python2.5/site-packages/serpentine/mastering.py", line 451, in __filter_location
    hints = loc_filter.filter_location (location)
  File "/usr/lib/python2.5/site-packages/serpentine/plugins/plugfilter_plparser.py", line 39, in filter_location
    p.connect("entry", self.__on_pl_entry, hints_list)
TypeError: <totem.plparser.Parser object at 0x8a8e93c (TotemPlParser at 0x8aec550)>: unknown signal name: entry