ptional = None output_type: Optional = 'pil' return_dict: bool = True callback: Optional = None callback_steps: int = 1  ) → ImagePipelineOutput or tuple  Parameters   batch_size (int, optional, defaults to 1) —
The number of images to generate.   class_labels (torch.Tensor or List[int] or int, optional) —
Optional class labels for conditioning class-conditional consistency models. Not used if the model is
not class-conditional.   num_inference