My Conda environment was set up as follows: git clone https://github.com/apple/ml-stable-diffusion.git conda create -n python_playground python=3.10 -y conda activate python_playground cd ml-stable-diffusion pip install -e . pip install omegaconf pip install pytorch-lightning pip install safetensors pip install --upgrade --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cpu Maybe another package or two was installed because I was prompted to in an error message at some point.