Fix mixed precision fine-tuning for text-to-image-lora-sdxl example.#6751

sayakpaul merged 2 commits intohuggingface:mainhuggingface/diffusers:mainfrom

sajadn:fix-fp16-text-to-image-lora-sdxlsajadn/diffusers:fix-fp16-text-to-image-lora-sdxlCopy head branch name to clipboard