Update cache mechanism

diff --git a/lib/sqlalchemy/sql/selectable.py b/lib/sqlalchemy/sql/selectable.py
index ef8b7686e19cf0f314bea59dea07edbfb5d7bc6d..5e2bcdf05b1eb3843a6f1ed0353fd43ae9317afa 100644 (file)
--- a/lib/sqlalchemy/sql/selectable.py
+++ b/lib/sqlalchemy/sql/selectable.py
@@ -2049,7 +2049,7 @@ class CTE(
         AliasedReturnsRows._traverse_internals
         + [
             ("_cte_alias", InternalTraversal.dp_clauseelement),
-            ("_restates", InternalTraversal.dp_clauseelement_list),
+            ("_restates", InternalTraversal.dp_clauseelement),
             ("recursive", InternalTraversal.dp_boolean),
         ]
         + HasPrefixes._has_prefixes_traverse_internals