code: def _getDiscoveryArgParser(self, parent):
      parser = argparse.ArgumentParser(parents=[parent])
      setup_parser(parser)
      return parser
  
imports: import re
  import os
  import sys
  import argparse
  import unittest
label_desc: Use image node_id 2 for calling the TestProgram obj's underlying member method code with example usage: obj._getDiscoveryArgParser(parent) and returns: parser