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-rw-r--r--lib/sqlalchemy/util/_collections.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/util/_collections.py b/lib/sqlalchemy/util/_collections.py
index 850986802..bbb08d91f 100644
--- a/lib/sqlalchemy/util/_collections.py
+++ b/lib/sqlalchemy/util/_collections.py
@@ -6,6 +6,8 @@
# the MIT License: https://www.opensource.org/licenses/mit-license.php
"""Collection classes and helpers."""
+from __future__ import annotations
+
import collections.abc as collections_abc
import operator
import threading