llowing loading methods: load_textual_inversion() for loading textual inversion embeddings from_single_file() for loading .ckpt files load_lora_weights() for loading LoRA weights save_lora_weights() for saving LoRA weights load_ip_adapter() for loading IP Adapters  __call__  < source > ( prompt: Union = None prompt_2: Union = None image: Union = None height: Optional = None width: Optional = None num_inference_steps: int = 50 timesteps: List = 