transformers diffusers basicsr gfpgan gradio numpy Pillow realesrgan torch transformers omegaconf pytorch_lightning diffusers invisible-watermark scikit-image>=0.19 fonts font-roboto git+https://github.com/crowsonkb/k-diffusion.git git+https://github.com/TencentARC/GFPGAN.git@8d2447a2d918f8eba5a4a01463fd48e45126a379 timm==0.4.12 fairscale==0.4.4 piexif