def expire_leaderboard_for(self, leaderboard_name, seconds):
        '''
        Expire the given leaderboard in a set number of seconds. Do not use this with
        leaderboards that utilize member data as there is no facility to cascade the
        expiration out to the keys for the member data.

        @param leaderboard_name [String] Name of the leaderboard.
        @param seconds [int] Number of seconds after which the leaderboard will be expired.
        '''
        pipeline = self.redis_connection.pipeline()
        pipeline.expire(leaderboard_name, seconds)
        pipeline.expire(self._member_data_key(leaderboard_name), seconds)
        pipeline.execute()
Expire the given leaderboard in a set number of seconds. Do not use this with
        leaderboards that utilize member data as there is no facility to cascade the
        expiration out to the keys for the member data.

        @param leaderboard_name [String] Name of the leaderboard.
        @param seconds [int] Number of seconds after which the leaderboard will be expired.