code: def get_images():
      image, _ = fn.readers.file(name="Reader", file_root=images_dir)
      return fn.decoders.image(image, device="cpu")
  
imports: import itertools
  import os
  import numpy
  from PIL import Image, ImageEnhance, ImageOps
  from nose2.tools import params, cartesian_params
  import nvidia.dali.tensors
  from nvidia.dali import fn, pipeline_def
  from nvidia.dali.auto_aug import augmentations
  from nvidia.dali.auto_aug.core._utils import get_translations
  from test_utils import get_dali_extra_path, check_batch
label_desc: Use image node_id 5 for calling a global function with example usage: get_images() and returns: fn