cleanup add training bell

venv/lib/python3.11/site-packages/sqlalchemy/engine/strategies.py

@@ -0,0 +1,19 @@
+# engine/strategies.py
+# Copyright (C) 2005-2023 the SQLAlchemy authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of SQLAlchemy and is released under
+# the MIT License: https://www.opensource.org/licenses/mit-license.php
+
+"""Deprecated mock engine strategy used by Alembic.
+
+
+"""
+
+from __future__ import annotations
+
+from .mock import MockConnection  # noqa
+
+
+class MockEngineStrategy:
+    MockConnection = MockConnection