Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/papyon/switchboard_manager.py", line 470, in _sb_message_received
    handler._on_message_received(message)
  File "/usr/lib/pymodules/python2.7/papyon/msnp2p/transport/switchboard.py", line 138, in _on_message_received
    self._on_chunk_received(peer, peer_guid, chunk)
  File "/usr/lib/pymodules/python2.7/papyon/msnp2p/transport/base.py", line 150, in _on_chunk_received
    self.__send_chunk(peer, peer_guid, ack_chunk)
  File "/usr/lib/pymodules/python2.7/papyon/msnp2p/transport/base.py", line 231, in __send_chunk
    self._send_chunk(peer, peer_guid, chunk)
  File "/usr/lib/pymodules/python2.7/papyon/msnp2p/transport/switchboard.py", line 109, in _send_chunk
    (self._on_message_error, peer, peer_guid, chunk))
  File "/usr/lib/pymodules/python2.7/papyon/switchboard_manager.py", line 108, in _send_message
    self._process_pending_queues()
  File "/usr/lib/pymodules/python2.7/papyon/switchboard_manager.py", line 236, in _process_pending_queues
    transaction_id = self.switchboard.send_message(message, ack)
  File "/usr/lib/pymodules/python2.7/papyon/msnp/switchboard.py", line 171, in send_message
    assert(self.state == ProtocolState.OPEN)
AssertionError