Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/papyon/transport.py", line 337, in __on_received
    logger.debug('<<< ' + unicode(cmd))
  File "/usr/lib/pymodules/python2.6/papyon/msnp/command.py", line 222, in __unicode__
    return unicode(CommandPrinter(self))
  File "/usr/lib/pymodules/python2.6/papyon/msnp/command.py", line 36, in __unicode__
    return printer()
  File "/usr/lib/pymodules/python2.6/papyon/msnp/command.py", line 56, in _print_MSG
    payload = repr(Message(None, str(command.payload)))
  File "/usr/lib/pymodules/python2.6/papyon/msnp/message.py", line 81, in __repr__
    tlp_flags = struct.unpack("<L", self.body[28:32])[0]
error: unpack requires a string argument of length 4