code: def zincrby(self, name, value, amount=1):
          
          with self.pipe as pipe:
              return pipe.zincrby(self.redis_key(name),
                                  value=self.valueparse.encode(value),
                                  amount=amount)
docs: Increment the score of the item by `value`
  
          :param name: str     the name of the redis key
          :param value:
          :param amount:
          :return: