generator: Union = None num_inference_steps: int = 1000 output_type: Optional = 'pil' return_dict: bool = True  ) → ImagePipelineOutput or tuple  Parameters   batch_size (int, optional, defaults to 1) —
The number of images to generate.   generator (torch.Generator, optional) —
A torch.Generator to make
generation deterministic.   num_inference_steps (int, optional, defaults to 1000) —
The number of denoising steps. More denoising steps usually