code: def tearDown(self):
      self.patch1.stop()
  
imports: import errno
  import os
  import unittest
  from unittest.mock import MagicMock, mock_open, patch
  import pytest
  from streamlit import file_util, util
label_desc: Use image node_id 2 for calling the FileUtilTest obj's underlying member method code with example usage: obj.tearDown() without return types