ra_scale: Optional = None clip_skip: Optional = None  )   Parameters   prompt (str or List[str], optional) —
prompt to be encoded   prompt_2 (str or List[str], optional) —
The prompt or prompts to be sent to the tokenizer_2 and text_encoder_2. If not defined, prompt is
used in both text-encoders
device — (torch.device):
torch device   num_images_per_prompt (int) —
number of images that should be generated per prompt   do_classifier_free_guidanc