def getrange(self, key, start, end):
        self._send('GETRANGE', key, start, end)
        return self.getResponse()
Check if topic has messages which user didn't read.
dataset/ETHPy150Open deldotdr/txRedis/txredis/client.py/RedisClient.getrange--crossover with--dataset/ETHPy150Open slav0nic/djangobb/djangobb_forum/templatetags/forum_extras.py/has_unreads