From c4cca45baf89f694ac86ee950a742c0a56e8dc7f Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Fri, 27 Jun 2014 12:23:41 +0200
Subject: [PATCH] asyncio: Oops, restore a removed test

---
 Lib/test/test_asyncio/test_tasks.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Lib/test/test_asyncio/test_tasks.py b/Lib/test/test_asyncio/test_tasks.py
index b19d7ccc672..8fd3e28f1c6 100644
--- a/Lib/test/test_asyncio/test_tasks.py
+++ b/Lib/test/test_asyncio/test_tasks.py
@@ -1529,6 +1529,9 @@ class TaskTests(test_utils.TestCase):
     def test_corowrapper_weakref(self):
         wd = weakref.WeakValueDictionary()
         def foo(): yield from []
+        cw = asyncio.tasks.CoroWrapper(foo(), foo)
+        wd['cw'] = cw  # Would fail without __weakref__ slot.
+        cw.gen = None  # Suppress warning from __del__.
 
     @unittest.skipUnless(PY34,
                          'need python 3.4 or later')