prompt (str or List[str], optional) —
The prompt not to guide the image generation. If not defined, one has to pass negative_prompt_embeds
instead. Ignored when not using guidance (i.e., ignored if guidance_scale is less than 1). For
PixArt-Alpha, this should be "".   do_classifier_free_guidance (bool, optional, defaults to True) —
whether to use classifier free guidance or not   num_images_per_prompt (int, optional, defaults to 1) —
number of 