code: def _gen_result_handler(self):
          
          while True:
              try:
                  data = self._client.read_until(self.SEPARATOR)
              except:
                  raise
              else:
                  response = self.decoder(data)
                  code = response.get("CODE")
                  res = response.get("MESSAGE")
                  if code == 202:
                      result = res.get('RESULT')
                      yield result
                  if code == 206:
                      break
docs: 流式结果响应处理.
  
          收到状态码标识201或301的响应后,创建一个生成器用于反映流.
  
          Yield:
              (Any): - 流中的运算结果