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PixArt Sigma 1.0 LoRA preset references non-existent HuggingFace repo #1533

Description

@dxqb

Description

The #pixart sigma 1.0 LoRA preset references PixArt-sigma/PixArt-XL-2-1024-MS as the base model, but this repository returns 404 on HuggingFace:

huggingface_hub.errors.RepositoryNotFoundError: 404 Client Error.
OSError: PixArt-sigma/PixArt-XL-2-1024-MS is not a local folder and is not a valid model identifier listed on 'https://huggingface.co/models'
Exception: could not load model: PixArt-sigma/PixArt-XL-2-1024-MS

The repo was likely renamed or removed. The preset needs to be updated to the correct model identifier.

Notes

Found while running a LoRA preset smoke test introduced in #1531.


Drafted by Claude

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