Duplicated from nvidia/PartPacker
https://huggingface.co/spaces/cpuai/PartPacker/resolve/main/flow/__init__.py
hf download hf://spaces/cpuai/PartPacker/flow/__init__.py
curl -L -o __init__.py https://huggingface.co/spaces/cpuai/PartPacker/resolve/main/flow/__init__.py
