Hangs occasionally on timeout

[icook]

Exception in thread Thread-2:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 763, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/home/simplecrypto/irc-bot/venv/local/lib/python2.7/site-packages/willie/irc.py", line 324, in _timeout_check
    self.config.timeout
TypeError: not all arguments converted during string formatting