https://huggingface.co/Muyiiiii-HF/WWW25-Grad/resolve/main/models/improved_diffusion/__init__.py
hf download hf://Muyiiiii-HF/WWW25-Grad/models/improved_diffusion/__init__.py
curl -L -o __init__.py https://huggingface.co/Muyiiiii-HF/WWW25-Grad/resolve/main/models/improved_diffusion/__init__.py
