from dataclasses import dataclass
from typing import List, Union

import numpy as np
import PIL
import torch

from ...utils import (
    BaseOutput,
)


@dataclass
class TextToVideoSDPipelineOutput(BaseOutput):
    """
     Output class for text-to-video pipelines.

     Args:
         frames (`torch.Tensor`, `np.ndarray`, or List[List[PIL.Image.Image]]):
             List of video outputs - It can be a nested list of length `batch_size,` with each sub-list containing
             denoised
     PIL image sequences of length `num_frames.` It can also be a NumPy array or Torch tensor of shape
    `(batch_size, num_frames, channels, height, width)`
    """

    frames: Union[torch.Tensor, np.ndarray, List[List[PIL.Image.Image]]]