code: def setUp(self):
      try:
          os.remove(TESTFN)
      except OSError:
          try:
              os.rmdir(TESTFN)
          except OSError:
              pass
  
imports: import unittest
  import os
  import socket
  import sys
  from test.support import os_helper
  from test.support import socket_helper
  from test.support.import_helper import import_fresh_module
  from test.support.os_helper import TESTFN
label_desc: Use image node_id 1 for calling the TestFilemode obj's underlying member method code with example usage: obj.setUp() without return types