old_contents: from __future__ import absolute_import
  
  import mock
  import sys
  
  import urllib3
  from urllib3.exceptions import EmptyPoolError
  from urllib3.packages.six.moves import queue
  
  if sys.version_info >= (2, 7):
      import unittest
  else:
      import unittest2 as unittest
  
  
  class BadError(Exception):
      """
      This should not be raised.
      """
      pass
  
  
  class TestMonkeypatchResistance(unittest.TestCase):
      """
      Test that connection pool works even with a monkey patched Queue module,
      see obspy/obspy#1599, kennethreitz/requests#3742, shazow/urllib3#1061.
      """
      def test_queue_monkeypatching(self):
          with mock.patch.object(queue, 'Empty', BadError):
              http = urllib3.HTTPConnectionPool(host="localhost", block=True)
              self.addCleanup(http.close)
              http._get_conn(timeout=1)
              self.assertRaises(EmptyPoolError, http._get_conn, timeout=1)
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: from __future__ import absolute_import
  
  import mock
  
  import pytest
  
  from urllib3 import HTTPConnectionPool
  from urllib3.exceptions import EmptyPoolError
  from urllib3.packages.six.moves import queue
  
  
  class BadError(Exception):
      """
      This should not be raised.
      """
      pass
  
  
  class TestMonkeypatchResistance(object):
      """
      Test that connection pool works even with a monkey patched Queue module,
      see obspy/obspy#1599, kennethreitz/requests#3742, shazow/urllib3#1061.
      """
      def test_queue_monkeypatching(self):
          with mock.patch.object(queue, 'Empty', BadError):
              with HTTPConnectionPool(host="localhost", block=True) as http:
                  http._get_conn(timeout=1)
                  with pytest.raises(EmptyPoolError):
                      http._get_conn(timeout=1)
  
subject: Rewrite test_queue_monkeypatch.py to be pytest-style