diff --git a/stubs/python-dateutil/@tests/test_cases/check_inheritance.py b/stubs/python-dateutil/@tests/test_cases/check_inheritance.py
index 716881c6f657..3ab5a78cdda2 100644
--- a/stubs/python-dateutil/@tests/test_cases/check_inheritance.py
+++ b/stubs/python-dateutil/@tests/test_cases/check_inheritance.py
@@ -10,8 +10,7 @@ class MyDateTime(datetime):
 
 d = MyDateTime.now()
 x = d - relativedelta(days=1)
-# https://github.com/python/typeshed/pull/11463
-# assert_type(x, MyDateTime)
+assert_type(x, MyDateTime)
 
 d3 = datetime.today()
 x3 = d3 - relativedelta(days=1)