code: def trivial_collate(batch):
      """
      A trivial collate function that merely returns the uncollated batch.
      """
      return batch
  
file_path: pytorch3d/projects/nerf/nerf/dataset.py
imports: import os
  from typing import List, Optional, Tuple
  import numpy
  import requests
  import torch
  from PIL import Image
  from pytorch3d.renderer import PerspectiveCameras
  from torch.utils.data import Dataset
label_desc: Use image node_id 1 for calling a global function with example usage: trivial_collate(batch) and returns: batch