generation. Can be used to tweak the same generation with different prompts. If not provided, a latents
tensor is generated by sampling using the supplied random generator.   output_type (str, optional, defaults to "pil") —
The output format of the generated image. Choose between PIL.Image or np.array.   return_dict (bool, optional, defaults to True) —
Whether or not to return a ImagePipelineOutput instead of a plain tuple.   callback (Callable