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Diffstat (limited to 'Lib/weakref.py')
| -rw-r--r-- | Lib/weakref.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/weakref.py b/Lib/weakref.py index d17b3ed..e3c2ce2 100644 --- a/Lib/weakref.py +++ b/Lib/weakref.py @@ -33,6 +33,9 @@ __all__ = ["ref", "proxy", "getweakrefcount", "getweakrefs", "WeakSet", "WeakMethod", "finalize"] +_collections_abc.Set.register(WeakSet) +_collections_abc.MutableSet.register(WeakSet) + class WeakMethod(ref): """ A custom `weakref.ref` subclass which simulates a weak reference to |