code: def trivial_collate(batch):
      """
      A trivial collate function that merely returns the uncollated batch.
      """
      return batch
  
file_path: pytorchvideo/projects/video_nerf/dataset.py
imports: import os
  from typing import Tuple
  import numpy
  import torch
  import tqdm
  from pytorch3d.renderer import PerspectiveCameras
  from pytorchvideo.data.encoded_video import EncodedVideo
  from torch.utils.data import Dataset
  from .dataset_utils import generate_splits, get_geometry_data, objectron_to_pytorch3d, resize_images
  from .nerf_dataset import ListDataset
label_desc: Use image node_id 1 for calling a global function with example usage: trivial_collate(batch) and returns: batch