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-rw-r--r--Lib/weakref.py1
1 files changed, 0 insertions, 1 deletions
diff --git a/Lib/weakref.py b/Lib/weakref.py
index 42aba65..25b7092 100644
--- a/Lib/weakref.py
+++ b/Lib/weakref.py
@@ -33,7 +33,6 @@ __all__ = ["ref", "proxy", "getweakrefcount", "getweakrefs",
"WeakSet", "WeakMethod", "finalize"]
-_collections_abc.Set.register(WeakSet)
_collections_abc.MutableSet.register(WeakSet)
class WeakMethod(ref):