From 94ba146d11869288ab3def8c7426b3b36701416a Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Sun, 27 Apr 2014 10:44:22 -0700
Subject: asyncio: Add __weakref__ slots to Handle and CoroWrapper. Upstream
 issue #166.

---
 Lib/asyncio/tasks.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Lib/asyncio/tasks.py')

diff --git a/Lib/asyncio/tasks.py b/Lib/asyncio/tasks.py
index e8ee947501d..45a6342eea4 100644
--- a/Lib/asyncio/tasks.py
+++ b/Lib/asyncio/tasks.py
@@ -36,7 +36,7 @@ _DEBUG = (not sys.flags.ignore_environment
 class CoroWrapper:
     # Wrapper for coroutine in _DEBUG mode.
 
-    __slots__ = ['gen', 'func', '__name__', '__doc__']
+    __slots__ = ['gen', 'func', '__name__', '__doc__', '__weakref__']
 
     def __init__(self, gen, func):
         assert inspect.isgenerator(gen), gen
-- 
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