code: def tearDown(self):
      self.percolator.close()
      self.text.delete("1.0", END)
  
imports: from idlelib.percolator import Percolator, Delegator
  import unittest
  from test.support import requires
  from tkinter import Text, Tk, END
label_desc: Use image node_id 4 for calling the PercolatorTest obj's underlying member method code with example usage: obj.tearDown() without return types