fix annotation

Change-Id: Iae921dd45d78e9c657304a2977adb18b0191a20d

diff --git a/alembic/util/sqla_compat.py b/alembic/util/sqla_compat.py
index 6f98af4ecd5720b8afa5c20aa8dff4c030580382..65b11307b1342bbc160d7f488b8206a4e7052a41 100644 (file)
--- a/alembic/util/sqla_compat.py
+++ b/alembic/util/sqla_compat.py
@@ -124,7 +124,7 @@ def _safe_begin_connection_transaction(
 
 def _safe_rollback_connection_transaction(
     connection: "Connection",
-) -> "Transaction":
+) -> None:
     transaction = _get_connection_transaction(connection)
     if transaction:
         transaction.rollback()