tuple
  
If return_dict is True, TextToVideoSDPipelineOutput is
returned, otherwise a tuple is returned where the first element is a list with the generated frames.
  The call function to the pipeline for generation.  Examples:   Copied >>> import torch
>>> from diffusers import TextToVideoSDPipeline
>>> from diffusers.utils import export_to_video

>>> pipe = TextToVideoSDPipeline.from_pretrained(
...     "damo-vilab/text-to-video-ms-1.7b", tor