 textual inversion embeddings load_lora_weights() for loading LoRA weights save_lora_weights() for saving LoRA weights  __call__  < source > ( prompt: Union = None prompt_2: Union = None image: Union = None control_image: Union = None height: Optional = None width: Optional = None strength: float = 0.8 num_inference_steps: int = 50 guidance_scale: float = 5.0 negative_prompt: Union = None negative_prompt_2: Union = None num_images_per_prompt: O