code: def get_device_dataset(self):
      return self.dalidataset
  
imports: import tensorflow
  import sys
  import os
  import numpy
  from subprocess import call
  import horovod.tensorflow.keras
  from nvidia.dali.pipeline import pipeline_def
  import nvidia.dali.fn
  import nvidia.dali.types
  import nvidia.dali.tfrecord
label_desc: Use image node_id 3 for calling the DALIPreprocessor obj's underlying member method code with example usage: obj.get_device_dataset() and returns: self