@internationalizeDocstring
    def change(self, irc, msg, args, user, id, replacer):
        try:
            self.db.change(user.id, id, replacer)
            irc.replySuccess()
        except dbi.NoRecordError:
            irc.errorInvalid(_('task id'), id)
<task id> <regexp>
dataset/ETHPy150Open ProgVal/Limnoria/plugins/Todo/plugin.py/Todo.change