code: def __init__(self, data_path, batch_size):
      super().__init__(data_path)
      self.batch_size = batch_size
  
imports: import argparse
  import cv2
  import numpy
  import nvidia.dali
  import nvidia.dali.types
  import os
label_desc: Use image node_id 1 to create a new BatchLoader object from inherited base classes: SampleLoader with example: obj = BatchLoader(data_path, batch_size)