code: def _send_query(self, query: Dict[str, Any]):
          
          queryb = self.encoder(query)
          self._client.write(queryb)
          if self.debug is True:
              print("send query {}".format(queryb))
  
          return True
docs: 将请求编码为字节串发送出去给服务端.
  
          Parameters:
              (query): - 请求的的python字典形式数据
  
          Return:
              (bool): - 准确地说没有错误就会返回True