 load_lora_weights() for loading LoRA weights save_lora_weights() for saving LoRA weights load_ip_adapter() for loading IP Adapters from_single_file() for loading .ckpt files  __call__  < source > ( prompt: Union = None image: Union = None mask_image: Union = None masked_image_latents: FloatTensor = None height: Optional = None width: Optional = None padding_mask_crop: Optional = None strength: float = 1.0 num_inference_steps: int = 50 timestep