code: def tearDown(self):
      if not test_gdb():
          return
      os.chdir(self.cwd)
      shutil.rmtree(self.tempdir)
  
imports: import os
  import re
  import sys
  import shutil
  import warnings
  import textwrap
  import unittest
  import tempfile
  import subprocess
  from distutils import ccompiler
  import runtests
  import Cython.Distutils.extension
  import Cython.Distutils.old_build_ext
  from Cython.Debugger import Cygdb
label_desc: Use image node_id 2 for calling the DebuggerTestCase obj's underlying member method code with example usage: obj.tearDown() without return types