code: def setUp(self):
      super(MetadataTestCase, self).setUp()
      self.argv = sys.argv, sys.argv[:]
  
imports: import os
  import StringIO
  import sys
  import unittest
  import warnings
  import textwrap
  from distutils.dist import Distribution, fix_help_options
  from distutils.cmd import Command
  import distutils.dist
  from test.test_support import TESTFN, captured_stdout, run_unittest, unlink
  from distutils.tests import support
  from distutils import log
label_desc: Use image node_id 1 for calling the MetadataTestCase obj's underlying member method code with example usage: obj.setUp() without return types