fix: replace deprecated CLIPFeatureExtractor with CLIPImageProcessor for transformers 5.x compatibility#2315
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kohya-ss merged 1 commit intokohya-ss:sd3from Apr 23, 2026
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CLIPFeatureExtractor was renamed to CLIPImageProcessor in transformers 4.x and fully removed in transformers 5.x. This causes an ImportError when running sd-scripts with transformers>=5.0.0. Replace the import with CLIPImageProcessor aliased as CLIPFeatureExtractor to maintain backward compatibility while supporting newer transformers versions. Affected files: - library/lpw_stable_diffusion.py - library/sdxl_lpw_stable_diffusion.py Fixes: ImportError: cannot import name 'CLIPFeatureExtractor' from 'transformers'
Contributor
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This change isn’t enough for Anima; you’ll also need to modify the following code: https://github.com/kohya-ss/sd-scripts/blob/main/library/strategy_anima.py#64 Change 'batch_encode_plus' to '_encode_plus' I haven’t tested whether other training scripts work properly; scripts that use Qwen as the TE may also need to be modified. |
Owner
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Thank you for this PR! As WhitePr mentioned, it seems that several additional modifications are needed to support transformers 5, so I will address this after the merge. |
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Problem
CLIPFeatureExtractorwas deprecated in transformers 4.x (renamed toCLIPImageProcessor) and fully removed in transformers 5.0. Users running sd-scripts withtransformers>=5.0.0get the following error:This affects both
lpw_stable_diffusion.pyandsdxl_lpw_stable_diffusion.py.Fix
Replace the import with
CLIPImageProcessoraliased asCLIPFeatureExtractorto maintain full backward compatibility while supporting transformers 5.x:Files changed
library/lpw_stable_diffusion.pylibrary/sdxl_lpw_stable_diffusion.pyTesting
Verified working with: