fix the bug with broken rescaling in PR

        if opts.upscaler_for_img2img is None or opts.upscaler_for_img2img == "None" or im.mode == 'L':

            return im.resize((w, h), resample=LANCZOS)

        upscaler = [x for x in shared.sd_upscalers if x.name == opts.upscaler_for_img2img][0]

        scale = w / im.width

        return upscaler.scaler.upscale(im, scale)

        upscalers = [x for x in shared.sd_upscalers if x.name == opts.upscaler_for_img2img]

        assert len(upscalers) > 0, f"could not find upscaler named {opts.upscaler_for_img2img}"

        upscaler = upscalers[0]

        scale = max(w / im.width, h / im.height)

        upscaled = upscaler.scaler.upscale(im, scale)

        if upscaled.width != w or upscaled.height != h:

            upscaled = im.resize((w, h), resample=LANCZOS)

        return upscaled

    if resize_mode == 0:

        res = resize(im, width, height)

                break

            img = self.do_upscale(img, selected_model)

        if img.width != dest_w or img.height != dest_h:

            img = img.resize((dest_w, dest_h), resample=LANCZOS)

            img = img.resize((int(dest_w), int(dest_h)), resample=LANCZOS)

        return img