encourages to generate images that are closely linked to the text prompt,
usually at the expense of lower image quality. This pipeline requires a value of at least 1.
image_guidance_scale (float, optional, defaults to 1.5):
Image guidance scale is to push the generated image towards the inital image image. Image guidance
scale is enabled by setting image_guidance_scale > 1. Higher image guidance scale encourages to
generate images that are clos