[dwarez]

What does this PR do?

Avoids to perform weights initialization when loading a quantized model. The previous implementation was checking the is_quantized condition only when trying to initialize weights with deepspeed.

Fixes #39366

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@SunMarc @zach-huggingface

[Rocketknight1]

cc @MekkCyber as well!

[dwarez]

@SunMarc any feedback on this?

[ArthurZucker]

Thanks for the PR, and sorry it didn't make it in! This branch is based on v4, and v5 is very different, so rather than rebasing we'd love to invite you to open a new PR against main using our latest tools and good practices:

• Transformers tenets
• mlinter and the modeling rules it enforces (make typing)
• Modular transformers
• Contributing guide

Closing this one in the meantime, thanks again!