Improper variable name in convert_original_stable_diffusion_to_diffusers.py: rename variable

[ramenspazz]

Describe the bug

The function signature for download_from_original_stable_diffusion_ckpt shows that it accepts the argument checkpoint_path_or_dict, as shown in the function definition:

def download_from_original_stable_diffusion_ckpt(
    checkpoint_path_or_dict: str | Dict[str, Tensor],
    original_config_file: str = None,
    image_size: int | None = None,
# snip...

,The variable, checkpoint_path, assigned to by args.checkpoint_path in the function call:

pipe = download_from_original_stable_diffusion_ckpt(
        checkpoint_path=args.checkpoint_path,
        original_config_file=args.original_config_file,
        image_size=args.image_size,
# snip...

Should be changed to:

pipe = download_from_original_stable_diffusion_ckpt(
        checkpoint_path_or_dict=args.checkpoint_path,
        original_config_file=args.original_config_file,
        image_size=args.image_size,
# snip...

The script file works correctly with these changes.

Reproduction

1. download script (on the date 9FEB2025): wget https://raw.githubusercontent.com/huggingface/diffusers/v0.20.0/scripts/convert_original_stable_diffusion_to_diffusers.py
2. run script on safetensor file: python convert_original_stable_diffusion_to_diffusers.py --checkpoint_path model.safetensors --dump_path ~/ --from_safetensors
   result:

Traceback (most recent call last):
  File "/home/user/path/to/script/convert_original_stable_diffusion_to_diffusers.py", line 154, in <module>
    pipe = download_from_original_stable_diffusion_ckpt(
        checkpoint_path=args.checkpoint_path,
    ...<15 lines>...
        pipeline_class=pipeline_class,
    )
TypeError: download_from_original_stable_diffusion_ckpt() got an unexpected keyword argument 'checkpoint_path'

Logs

System Info

• 🤗 Diffusers version: 0.32.2
• Platform: Linux-6.12.11-200.fc41.x86_64-x86_64-with-glibc2.40
• Running on Google Colab?: No
• Python version: 3.13.1
• PyTorch version (GPU?): 2.6.0+cu124 (False)
• Flax version (CPU?/GPU?/TPU?): not installed (NA)
• Jax version: not installed
• JaxLib version: not installed
• Huggingface_hub version: 0.28.1
• Transformers version: 4.48.3
• Accelerate version: 1.3.0
• PEFT version: not installed
• Bitsandbytes version: not installed
• Safetensors version: 0.5.2
• xFormers version: not installed
• Accelerator: NA

Who can help?

No response

[hlky]

Hi @ramenspazz. This was fixed in 0.21 and the script has since been refactored.

Try main

https://raw.githubusercontent.com/huggingface/diffusers/refs/heads/main/scripts/convert_original_stable_diffusion_to_diffusers.py

or a newer tag

https://raw.githubusercontent.com/huggingface/diffusers/v0.32.2/scripts/convert_original_stable_diffusion_to_diffusers.py