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[data] Fix wrong position ids with packed attention masks (#7754)

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Co-authored-by: hoshi-hiyouga <hiyouga@buaa.edu.cn>
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Changrui Chen 2025-04-21 16:19:36 +01:00 committed by GitHub
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commit 81768df04c
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src/llamafactory/data/collator.py
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@ -176,7 +176,7 @@ class MultiModalDataCollatorForSeq2Seq(DataCollatorForSeq2Seq):
"input_ids": features["input_ids"],
"image_grid_thw": mm_inputs.get("image_grid_thw"),
"video_grid_thw": mm_inputs.get("video_grid_thw"),
"attention_mask": features["attention_mask"],
"attention_mask": (features["attention_mask"] >= 1).float(),
}
if "second_per_grid_ts" in mm_inputs: # for qwen2vl
rope_index_kwargs["second_per_grid_ts"] = mm_inputs.get("second_per_grid_ts")