From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sat, 27 Sep 2025 15:39:20 +0000 (-0400)
Subject: fix mypy failure
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7f63209acc28462bfcb009ddeb4238bd978b3a60;p=thirdparty%2Fsqlalchemy%2Falembic.git

fix mypy failure

Change-Id: I33769e9ef98a0f35d7429cd63c857b98298161be
---

diff --git a/alembic/ddl/mssql.py b/alembic/ddl/mssql.py
index 5376da5a..50d441f8 100644
--- a/alembic/ddl/mssql.py
+++ b/alembic/ddl/mssql.py
@@ -96,7 +96,9 @@ class MSSQLImpl(DefaultImpl):
         type_: Optional[TypeEngine] = None,
         schema: Optional[str] = None,
         existing_type: Optional[TypeEngine] = None,
-        existing_server_default: Optional[_ServerDefault] = None,
+        existing_server_default: Union[
+            _ServerDefault, Literal[False], None
+        ] = None,
         existing_nullable: Optional[bool] = None,
         **kw: Any,
     ) -> None: