code: def define_graph(self):
      return self.base_define_graph(*self.input(name="Reader"))
  
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 WebdatasetPipeline obj's underlying member method code with example usage: obj.define_graph() and returns: self