code: def base_define_graph(self, inputs, labels):
      rng = self.coin()
      images = self.decode_gpu(inputs)
      images = self.res(images)
      output = self.cmnp(images.gpu(), mirror=rng)
      return (output, labels)
  
imports: from nvidia.dali.pipeline import Pipeline
  import nvidia.dali.ops
  import nvidia.dali.types
  import nvidia.dali.tfrecord
  import os
  import glob
  import argparse
  import time
  from test_utils import get_dali_extra_path, AverageMeter
label_desc: Use image node_id 2 for calling the CommonPipeline obj's underlying member method code with example usage: obj.base_define_graph(inputs, labels) and returns: output,  labels