code: def tearDown(self):
      for w in self.root.winfo_children():
          w.destroy()
      self.root.withdraw()
  
file_path: catboost/contrib/tools/python/src/Lib/lib-tk/test/test_ttk/support.py
imports: import functools
  import re
  import unittest
  import Tkinter
  import _tkinter
label_desc: Use image node_id 4 for calling the AbstractTkTest obj's underlying member method code with example usage: obj.tearDown() without return types