Duplicated from IndexTeam/IndexTTS-2-Demo
https://huggingface.co/spaces/teamup-tech/IndexTTS-2/resolve/main/indextts/utils/__init__.py
hf download hf://spaces/teamup-tech/IndexTTS-2/indextts/utils/__init__.py
curl -L -o __init__.py https://huggingface.co/spaces/teamup-tech/IndexTTS-2/resolve/main/indextts/utils/__init__.py
