code: def test_unsupported_whitespace(self):
      self.none_removed("\v")
      self.none_removed("\n\v")
      self.check_result("\v\n", "\v")
      self.none_removed(" \n\v")
      self.check_result("\v\n ", "\v")
  
imports: from idlelib import pyshell
  import unittest
  from test.support import requires
  from tkinter import Tk
label_desc: Use image node_id 10 for calling the PyShellRemoveLastNewlineAndSurroundingWhitespaceTest obj's underlying member method code with example usage: obj.test_unsupported_whitespace() without return types