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[Bugfix] fix KeyError on top logprobs are special tokens (#17637)

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Signed-off-by: chaunceyjiang <chaunceyjiang@gmail.com>
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Chauncey 2025-05-05 10:22:35 +08:00 committed by GitHub
parent 68e1ee0072
commit 5394ad7387
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1 changed files with 2 additions and 1 deletions
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3
vllm/entrypoints/openai/serving_chat.py
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@ -1111,7 +1111,8 @@ class OpenAIServingChat(OpenAIServing):
return_as_token_id is not None else self.return_tokens_as_token_ids
for i, token_id in enumerate(token_ids):
step_top_logprobs = top_logprobs[i]
if step_top_logprobs is None:
if step_top_logprobs is None or step_top_logprobs.get(
token_id) is None:
token = tokenizer.decode(token_id)
if should_return_as_token_id:
token = f"token_id:{token_id}"