ior_num_inference_steps: int = 25 generator: Union = None latents: Optional = None output_type: Optional = 'pil' callback: Optional = None callback_steps: int = 1 return_dict: bool = True prior_callback_on_step_end: Optional = None prior_callback_on_step_end_tensor_inputs: List = ['latents'] callback_on_step_end: Optional = None callback_on_step_end_tensor_inputs: List = ['latents']  ) → ImagePipelineOutput or tuple  Parameters   prompt (str or