validation_prompt="<new1> cat sitting in a bucket" \
  --report_to="wandb" \
  --push_to_hub
</hfoption>
<hfoption id="multiple concepts">
Custom Diffusion can also learn multiple concepts if you provide a JSON file with some details about each concept it should learn. Run clip-retrieval to collect some real images to use for regularization:   Copied pip install clip-retrieval
python retrieve.py --class_prompt {} --class_data_dir {} --num_class