$ bittorrent
Exception in thread bittorrent:242 in ?: threading.Thread(target=init_core, args=(mainloop,)).start():
Traceback (most recent call last):
  File "/usr/bin/bittorrent", line 242, in ?
    threading.Thread(target=init_core, args=(mainloop,)).start()
  File "/usr/bin/bittorrent", line 230, in init_core
    rawserver.stop()
  File "/usr/lib/python2.4/site-packages/BitTorrent/RawServer_twisted.py", line 909, in stop
    self.doneflag.set()
AttributeError: 'NoneType' object has no attribute 'set'