rts of the image are masked out with
mask_image and repainted according to prompt).   mask_image (torch.FloatTensor or PIL.Image.Image or List[PIL.Image.Image]) —
Image or tensor representing an image batch to mask image. White pixels in the mask are repainted,
while black pixels are preserved. If mask_image is a PIL image, it is converted to a single channel
(luminance) before use. If it’s a tensor, it should contain one color channel (L) inst