Update Lib/test/test_concurrent_futures/test_future.py

Co-authored-by: Kumar Aditya <[email protected]>

Author: bdraco

Lib/test/test_concurrent_futures/test_future.py

@@ -309,7 +309,7 @@ def test_get_snapshot(self):
         self.assertTrue(done)
         self.assertFalse(cancelled)
         self.assertIsNone(result)
-        self.assertEqual(exception, exc)
+        self.assertIs(exception, exc)
 
         # Test with a cancelled future
         f = Future()