解决方案
python
pip install httpx_sse
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting httpx_sse
Downloading https://pypi.tuna.tsinghua.edu.cn/packages/e1/9b/a181f281f65d776426002f330c31849b86b31fc9d848db62e16f03ff739f/httpx_sse-0.4.0-py3-none-any.whl (7.8 kB)
Installing collected packages: httpx_sse
Successfully installed httpx_sse-0.4.0