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[Bugfix] Fix Mistral ChatCompletionRequest Body Exception (#16769)

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Signed-off-by: Jasmond Loh <Jasmond.Loh@hotmail.com>
Co-authored-by: Cyrus Leung <cyrus.tl.leung@gmail.com>
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Jasmond L 2025-04-25 22:26:30 +08:00 committed by GitHub
parent 19dcc02a72
commit d5615af9ae
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1 changed files with 32 additions and 8 deletions
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40
vllm/entrypoints/chat_utils.py
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@ -1198,14 +1198,25 @@ def apply_hf_chat_template(
"allowed, so you must provide a chat template if the tokenizer " "allowed, so you must provide a chat template if the tokenizer "
"does not define one.") "does not define one.")
return tokenizer.apply_chat_template( try:
conversation=conversation, # type: ignore[arg-type]
tools=tools, # type: ignore[arg-type]
chat_template=hf_chat_template,
tokenize=tokenize,
**kwargs,
)
return tokenizer.apply_chat_template(
conversation=conversation, # type: ignore[arg-type]
tools=tools, # type: ignore[arg-type]
chat_template=hf_chat_template,
tokenize=tokenize,
**kwargs,
)
# External library exceptions can sometimes occur despite the framework's
# internal exception management capabilities.
except Exception as e:
# Log and report any library-related exceptions for further
# investigation.
logger.exception(
"An error occurred in `transformers` while applying chat template")
raise ValueError from e
def apply_mistral_chat_template( def apply_mistral_chat_template(
tokenizer: MistralTokenizer, tokenizer: MistralTokenizer,
@ -1214,6 +1225,8 @@ def apply_mistral_chat_template(
tools: Optional[list[dict[str, Any]]], tools: Optional[list[dict[str, Any]]],
**kwargs: Any, **kwargs: Any,
) -> list[int]: ) -> list[int]:
from mistral_common.exceptions import MistralCommonException
# The return value of resolve_mistral_chat_template is always None, # The return value of resolve_mistral_chat_template is always None,
# and we won't use it. # and we won't use it.
resolve_mistral_chat_template( resolve_mistral_chat_template(
@ -1231,5 +1244,16 @@ def apply_mistral_chat_template(
# if input does not comply with the expected format. # if input does not comply with the expected format.
# We convert those assertion errors to ValueErrors so they can be # We convert those assertion errors to ValueErrors so they can be
# are properly caught in the preprocessing_input step # are properly caught in the preprocessing_input step
except AssertionError as e: except (AssertionError, MistralCommonException) as e:
raise ValueError from e
# External library exceptions can sometimes occur despite the framework's
# internal exception management capabilities.
except Exception as e:
# Log and report any library-related exceptions for further
# investigation.
logger.exception(
"An error occurred in `mistral_common` while applying chat "
"template")
raise ValueError from e raise ValueError from e