Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/gwibber/client.py", line 500, in on_account_delete
    self.update_view()
  File "/usr/lib/python2.6/dist-packages/gwibber/client.py", line 610, in update_view
    data = self.messages.get_messages(paths, 0 if self.extended_view else 100)
  File "/usr/lib/pymodules/python2.6/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/pymodules/python2.6/dbus/connection.py", line 610, in call_blocking
    message.append(signature=signature, *args)
ValueError: Unable to guess signature from an empty list