code: def tearDown(self):
      clean_up_interpreters()
  
imports: import contextlib
  import os
  import os.path
  import subprocess
  import sys
  import tempfile
  import threading
  from textwrap import dedent
  import unittest
  from test import support
  from test.support import os_helper
  from test.support import interpreters
label_desc: Use image node_id 8 for calling the TestBase obj's underlying member method code with example usage: obj.tearDown() without return types