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Fix chameleon's TypeError because inputs_embeds may None #36673

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merged 4 commits into from
Mar 18, 2025

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YenFuLin
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@YenFuLin YenFuLin commented Mar 12, 2025

What does this PR do?

When training Chameleon, I got the error message: "TypeError 'nonetype' object is not subscriptable". Because inputs_embeds may be None, I think it should check inputs_embeds type first before using it.

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  • This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
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@amyeroberts, @qubvel, @zucchini-nlp

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@github-actions github-actions bot marked this pull request as draft March 12, 2025 14:52
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Hi 👋, thank you for opening this pull request! The pull request is converted to draft by default. When it is ready for review, please click the Ready for review button (at the bottom of the PR page).

@YenFuLin YenFuLin marked this pull request as ready for review March 12, 2025 15:59
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@qubvel qubvel left a comment

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Hey @YenFuLin, thanks for opening the PR!

Comment on lines 1295 to 1299
if (
not is_torchdynamo_compiling()
and inputs_embeds is not None
and inputs_embeds[special_image_mask].numel() != image_tokens.numel()
):
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Should we move the following block above instead of adding this check? I suppose @zucchini-nlp knows better 😄

    if inputs_embeds is None:
            inputs_embeds = self.embed_tokens(input_ids)

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agreed!

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@zucchini-nlp zucchini-nlp left a comment

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Thanks!

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@qubvel qubvel left a comment

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Thanks!

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cool, let's merge then!

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3 participants