code: def insert(self, *args):
      self.insert_called_with = args
      self.delegate.insert(*args)
  
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 2 for calling the MyFilter obj's underlying member method code with example usage: obj.insert() without return types