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chatterbox

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Try this from your virtual environment. It complains about it being the wrong version for chatterbox, but it works fine on my end.

pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu121

Same issue, if you create a new environment you need to add "pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu121" as indicated by Deadtaco

I modified the pyproject.toml as follows (can be used with uv or call with
pip install -e . --extra-index-url https://download.pytorch.org/whl/cu121

[project]
name = "chatterbox-tts"
version = "0.1.6"
description = "Chatterbox: Open Source TTS and Voice Conversion by Resemble AI"
readme = "README.md"
requires-python = ">=3.10"
license = {file = "LICENSE"}
authors = [
{name = "resemble-ai", email = "engineering@resemble.ai"}
]
dependencies = [
"numpy>=1.24.0,<1.26.0",
"librosa==0.11.0",
"s3tokenizer",
"torch==2.5.1+cu121",
"torchvision==0.20.1+cu121",
"torchaudio==2.5.1+cu121",
"transformers==4.46.3",
"diffusers==0.29.0",
"resemble-perth==1.0.1",
"conformer==0.3.2",
"safetensors==0.5.3",
"spacy-pkuseg",
"pykakasi==2.3.0",
"gradio==5.44.1",
"pyloudnorm",
"omegaconf",
"ffmpeg<8",
"torchcodec"
]

[project.urls]
Homepage = "https://github.com/resemble-ai/chatterbox"
Repository = "https://github.com/resemble-ai/chatterbox"

[build-system]
requires = ["setuptools>=61.0"]
build-backend = "setuptools.build_meta"

[tool.setuptools.packages.find]
where = ["src"]

[[tool.uv.index]]
name = "pytorch-cu121"
url = "https://download.pytorch.org/whl/cu121"
explicit = true

[tool.uv.sources]
torch = { index = "pytorch-cu121" }
torchvision = { index = "pytorch-cu121" }
torchaudio = { index = "pytorch-cu121" }