lerobot
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pi0_old

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AttributeError: 'PaliGemmaConfig' object has no attribute 'ignore_index'

#21

by aiden-li - opened Jul 3, 2025

Error message while finetuning the model:
AttributeError: 'PaliGemmaConfig' object has no attribute 'ignore_index'

•

edited Aug 7, 2025

https://github.com/huggingface/lerobot/blob/main/src/lerobot/policies/pi0fast/modeling_pi0fast.py
you can see "# TODO: Remove this once we bump transformers to >4.52.0 because the attribute will be removed
# AttributeError: 'PaliGemmaConfig' object has no attribute 'ignore_index'"

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