def post_reply_stream(
        self, url: str, params: QueryParamTypes = None, json: Any = None
    ) -> Iterable[Dict]:
        """
        Make an Request with POST Method and the response is returned in a stream.
        """
        request = self._preprocess("POST", url=url, params=params, json=json)

        with httpx.Client() as client:
            r = client.send(request=request, stream=True)
            r.raise_for_status()
            for line in r.iter_lines():
                yield from self._postprocess_stream_part(line)

        Make an Request with POST Method and the response is returned in a stream.
        
llama-index-utils/llama-index-utils-qianfan/llama_index/utils/qianfan/client.py