fix(vllm): handle `logprobs=None´ and align logprob docs#5203
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LeonEricsson wants to merge 3 commits intohuggingface:mainfrom
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fix(vllm): handle `logprobs=None´ and align logprob docs#5203LeonEricsson wants to merge 3 commits intohuggingface:mainfrom
LeonEricsson wants to merge 3 commits intohuggingface:mainfrom
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This fixes logprob handling and aligns the related documentation.
trl/scripts/vllm_serve.pynow acceptsNoneforlogprobsandlogprob_token_idsin/generate/and/chat/responses, discussed here. This prevents server 500s when requests uselogprobs=Noneand vLLM returns no logprob payload.It also updates logprob docstrings in
trl/generation/vllm_client.py,trl/scripts/vllm_serve.py,trl/generation/vllm_generation.py, andtrl/trainer/grpo_trainer.pyto reflect the actual behavior introduced in #5107 .A regression test update in
tests/test_vllm_client_server.pycoversgenerate(..., logprobs=None)andchat(..., logprobs=None).