. When returning
a tuple, the first element is a list with the generated images.
  The call function to the pipeline for generation.  Examples:   Copied >>> import requests
>>> import torch
>>> from PIL import Image
>>> from io import BytesIO

>>> from diffusers import StableUnCLIPImg2ImgPipeline

>>> pipe = StableUnCLIPImg2ImgPipeline.from_pretrained(
...     "fusing/stable-unclip-2-1-l-img2img", torch_dtype=torch.float16
... )  # TODO update 