fastchat.serve.openai_api_server doesn't work with `stream=true` parameter
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Description
I'm trying to get FastChat working on https://github.com/open-webui/open-webui via it's option to accept OpenAI compatible endpoints. TabbyAPI seems to be able to serve OpenAI API format with streaming/chunking. FastChat doesn't seem to support.
I've install Exllamav2 and confirmed API works well
python3 -m fastchat.serve.controller --host 0.0.0.0 --port 21001
python3 -m fastchat.serve.model_worker --model-path ~/model/Llama-3-8B-Instruct-262k-8.0bpw-h6-exl2 --enable-exllama
python3 -m fastchat.serve.openai_api_server --host 0.0.0.0 --port 8000
Works fine w/o "stream": true
Issue
Errors with "stream": true
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the fastchat.serve.openai_api_server entry point and reproduce the reported commands using an OpenAI-compatible request with "stream": true. Compare it with the working non-streaming request and use the resulting error output to define completion: streaming responses should work through the OpenAI-compatible endpoint.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- api
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100