code: def remove_redis_keyword(self, keyword):
          '''
          Remove the keyword for redis.
          '''
          redisvr.srem(CMS_CFG['redis_kw'] + self.userinfo.user_name, keyword)
          return json.dump({}, selff remove_redis_keyword(self, keyword):
          '''
          Remove the keyword for redis.
          '''
          redisvr.srem(CMS_CFG['redis_kw'] + self.userinfo.user_name, keyword)
          return json.dump({}, self)
docs: Remove the keyword for redis.