code: def __call__(self, batch: Dict[str, Any]) -> Dict[str, Any]:
      batch["video"], batch["label"] = self.mix_video_transform(
          batch["video"], batch["label"]
      )
      return batch
  
imports: import random
  from typing import Any, Callable, Dict, Iterable, List, Mapping, Sequence
  import hydra
  import torch
  import torchvision
  from PIL import Image, ImageFilter
  from pytorchvideo.transforms import MixVideo
  from torchvision.transforms import Compose
label_desc: Use image node_id 2 for calling the MixVideoBatchWrapper obj's underlying member method code with example usage: obj.__call__(batch) and returns: batch