asyncio: Add __weakref__ slots to Handle and CoroWrapper. Upstream issue #166.
diff --git a/Lib/asyncio/events.py b/Lib/asyncio/events.py
index 57af68a..31592d1 100644
--- a/Lib/asyncio/events.py
+++ b/Lib/asyncio/events.py
@@ -16,7 +16,7 @@
class Handle:
"""Object returned by callback registration methods."""
- __slots__ = ['_callback', '_args', '_cancelled', '_loop']
+ __slots__ = ['_callback', '_args', '_cancelled', '_loop', '__weakref__']
def __init__(self, callback, args, loop):
assert not isinstance(callback, Handle), 'A Handle is not a callback'