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[Bugfix][Multi Modal] Fix incorrect Molmo token processing (#26873)

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Signed-off-by: sanghol <sanghol@allenai.org>
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sangho.lee 2025-10-15 02:13:59 -05:00 committed by GitHub
parent f0862eae43
commit 8865da157b
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1 changed files with 5 additions and 2 deletions
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7
vllm/model_executor/models/molmo.py
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@ -1264,13 +1264,16 @@ class MolmoMultiModalProcessor(BaseMultiModalProcessor[MolmoProcessingInfo]):
) -> list[int]:
processor = self.info.get_hf_processor()
# Apply the chat template to the tokens
# The chat template is already applied to the prompt tokens
# Use message_format="none" to avoid applying it again
# Prepend an empty space if `always_start_with_space` is True
tokens = processor.processor.get_tokens_input( # type: ignore
self.info.get_tokenizer().decode(prompt_tokens),
message_format=processor.message_format,
message_format="none",
always_start_with_space=processor.always_start_with_space,
)
# Prepend a BOS token id to the tokens
processed_data = self.info.ctx.call_hf_processor(
processor, # type: ignore
dict(tokens=tokens),