finalize the queue to resolve test issue
diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py
index 33f3bf3..ed8c626 100644
--- a/Lib/test/test_multiprocessing.py
+++ b/Lib/test/test_multiprocessing.py
@@ -1209,10 +1209,12 @@
         p.start()
         queue = manager.get_queue()
         self.assertEqual(queue.get(), 'hello world')
+        del queue
         manager.shutdown()
         manager = QueueManager(
             address=('localhost', 9999), authkey=authkey, serializer=SERIALIZER)
         manager.start()
+        manager.shutdown()
 
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