Unhandled error in Deferred:
Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/twisted/internet/posixbase.py", line 228, in mainLoop
    self.runUntilCurrent()
  File "/usr/lib/python2.4/site-packages/twisted/internet/base.py", line 561, in runUntilCurrent
    call.func(*call.args, **call.kw)
  File "/usr/lib/python2.4/site-packages/twisted/internet/defer.py", line 239, in callback
    self._startRunCallbacks(result)
  File "/usr/lib/python2.4/site-packages/twisted/internet/defer.py", line 304, in _startRunCallbacks
    self._runCallbacks()
--- <exception caught here> ---
  File "/usr/lib/python2.4/site-packages/twisted/internet/defer.py", line 317, in _runCallbacks
    self.result = callback(self.result, *args, **kw)
  File "/usr/lib/python2.4/site-packages/Louie-1.1-py2.4.egg/louie/plugin.py", line 103, in called
    return receiver(*args, **kw)
  File "/home/micxer/development/Coherence/coherence/upnp/devices/control_point.py", line 77, in remove_client
    client.remove()
  File "/home/micxer/development/Coherence/coherence/upnp/devices/media_server_client.py", line 60, in remove
    if self.content_directory != None:
exceptions.AttributeError: 'MediaServerClient' object has no attribute 'content_directory'