Hook up the moderation methods to pre- and post-save signals
        from the comment models.

def connect(self):
        """
        Hook up the moderation methods to pre- and post-save signals
        from the comment models.

        """
        signals.comment_will_be_posted.connect(self.pre_save_moderation, sender=comments.get_model())
        signals.comment_was_posted.connect(self.post_save_moderation, sender=comments.get_model())