 make new compositions. --with_prior_preservation: whether to use prior preservation loss --prior_loss_weight: controls the influence of the prior preservation loss on the model --class_data_dir: path to a folder containing the generated class sample images --class_prompt: the text prompt describing the class of the generated sample images   Copied accelerate launch train_dreambooth.py \
  --with_prior_preservation \
  --prior_loss_weight=1.0 \