code: def parse_image_array(dat: np.ndarray):
      return dat[:, 0, :, :]
  
file_path: vissl/extra_scripts/datasets/create_small_norb_elevation_data_files.py
imports: import argparse
  import os
  import numpy
  from PIL import Image
  from tqdm import tqdm
  from vissl.utils.download import download_and_extract_archive
label_desc: Use image node_id 5 for calling a global function with example usage: parse_image_array(dat) and returns: dat