docs: def hincrby(self, name, key, amount=1):
          """
          Increment the value of the field.
  
          :param name: str     the name of the redis key
          :param increment: int
          :param field: str
          :return: Future()
          """
          with self.pipe as pipe:
              return pipe.hincrby(self.redis_key(name),
                                  self.memberparse.encode(key),
                                  amount)