asyncio: Replace "unittest.mock" with "mock" in unit tests

Use "from unittest import mock". It should simplify my work to merge new tests
in Trollius, because Trollius uses "mock" backport for Python 2.

1 files changed, 2 insertions, 2 deletions

diff --git a/Lib/test/test_asyncio/test_windows_utils.py b/Lib/test/test_asyncio/test_windows_utils.py
index fa9d66c021..7616c73e45 100644
--- a/Lib/test/test_asyncio/test_windows_utils.py
+++ b/Lib/test/test_asyncio/test_windows_utils.py
@@ -3,7 +3,7 @@
 import sys
 import test.support
 import unittest
-import unittest.mock
+from unittest import mock
 
 if sys.platform != 'win32':
     raise unittest.SkipTest('Windows only')
@@ -25,7 +25,7 @@ class WinsocketpairTests(unittest.TestCase):
         csock.close()
         ssock.close()
 
-    @unittest.mock.patch('asyncio.windows_utils.socket')
+    @mock.patch('asyncio.windows_utils.socket')
     def test_winsocketpair_exc(self, m_socket):
         m_socket.socket.return_value.getsockname.return_value = ('', 12345)
         m_socket.socket.return_value.accept.return_value = object(), object()