alse, ONNX weights
will never be downloaded. By default use_onnx defaults to the _is_onnx class attribute which is
False for non-ONNX pipelines and True for ONNX pipelines. ONNX weights include both files ending
with .onnx and .pb.   Returns 
os.PathLike
  
A path to the downloaded pipeline.
  Download and cache a PyTorch diffusion pipeline from pretrained pipeline weights. To use private or gated models, log-in with
huggingface-cli login.  ena