Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/butterfly/util/decorator.py", line 87, in async_function
    func(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/butterfly/capabilities.py", line 248, in _populate_capabilities
    self.add_text_capabilities(handles)
  File "/usr/lib/python2.6/dist-packages/butterfly/capabilities.py", line 164, in add_text_capabilities
    old_gen, old_spec = self._caps[handle][ctype]
KeyError: 'org.freedesktop.Telepathy.Channel.Type.Text'