Replace Any with proper type hints

diff --git a/lib/sqlalchemy/ext/mutable.py b/lib/sqlalchemy/ext/mutable.py
index f77ec9b014555af24dad1f37bba53f5c7adfb819..f9ed17efc1829a55ff8b4047b39f692454649c10 100644 (file)
--- a/lib/sqlalchemy/ext/mutable.py
+++ b/lib/sqlalchemy/ext/mutable.py
@@ -514,10 +514,10 @@ class MutableBase:
 
         def set_(
             target: InstanceState[_O],
-            value: Any,
-            oldvalue: Any,
+            value: MutableBase | None,
+            oldvalue: MutableBase | None,
             initiator: AttributeEventToken,
-        ) -> Any:
+        ) -> MutableBase | None:
             """Listen for set/replace events on the target
             data member.