def irc_topic_changed(self, channel, topic):
        pass

    ##### IRC Command Handlers ################################################
.. todo::
dataset/ETHPy150Open ecdavis/pants/pants/contrib/irc.py/IRCClient.irc_topic_changed--crossover with--dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/models/dbm/ising.py/IsingHidden.set_biases