transformers

c9b377c5 - Composite transparency in shared RGB conversion and image processors (#49079)

Composite transparency in shared RGB conversion and image processors (#49079) * Composite transparent PIL images in global RGB conversion * Route image loaders through shared RGB conversion * Use the shared convert_to_rgb in the Chameleon image processors * make it work for any input format * fix some tests * erm, when it was added, delete * . * safe typing * oopsi * fix, the rest cmes from main branch and needs rebase * last fix * comments --------- Co-authored-by: raushan <raushan@huggingface.co>