  num_images_per_prompt (int, optional, defaults to 1) —
The number of images to generate per prompt.   height (int, optional, defaults to 512) —
The height in pixels of the generated image.   width (int, optional, defaults to 512) —
The width in pixels of the generated image.   prior_guidance_scale (float, optional, defaults to 4.0) —
Guidance scale as defined in Classifier-Free Diffusion Guidance.
prior_guidance_scale is defined as w of equat