fix test_descr
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 0e1f7c3..735c9f0 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -1020,7 +1020,7 @@
             def __del__(self_):
                 self.assertEqual(self_.a, 1)
                 self.assertEqual(self_.b, 2)
-        with test_support.captured_output('stderr') as s:
+        with support.captured_output('stderr') as s:
             h = H()
             del h
         self.assertEqual(s.getvalue(), '')