opencv-python ffmpeg-python moviepy --extra-index-url https://download.pytorch.org/whl/cu113 torch torchvision==0.13.1+cu113 git+https://github.com/huggingface/diffusers.git git+https://github.com/huggingface/transformers scipy ftfy psutil accelerate safetensors transformers safetensors --pre xformers