http://twistedmatrix.com/documents/current/api/twisted.words.protocols.irc.IRCClient.html#userLeft According to this userLeft() takes 3 arguments. Your traceback is interesting.
http:// twistedmatrix. com/documents/ current/ api/twisted. words.protocols .irc.IRCClient. html#userLeft
According to this userLeft() takes 3 arguments. Your traceback is interesting.