@property
    def usermask(self):
        if self.nick:
            return '%s@%s' % (self._user, self._hostname)
Returns a list of the default classes for the action. Defaults to
dataset/ETHPy150Open facebook/pyaib/pyaib/irc.py/Sender.usermask--crossover with--dataset/ETHPy150Open Havate/havate-openstack/proto-build/gui/horizon/Horizon_GUI/horizon/tables/actions.py/BaseAction.get_default_classes