code: def tearDownClass(cls):
      del cls.text, cls.acw
      cls.root.update_idletasks()
      cls.root.destroy()
      del cls.root
  
file_path: cpython/Lib/idlelib/idle_test/test_autocomplete_w.py
imports: import unittest
  from test.support import requires
  from tkinter import Tk, Text
  import idlelib.autocomplete_w
label_desc: Use image node_id 2 for calling the AutoCompleteWindowTest obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types