From 254b4cbe06befaa61a7e11fef5020766f129c7a5 Mon Sep 17 00:00:00 2001
From: "John T. Wodder II" <git@varonathe.org>
Date: Fri, 27 Oct 2023 11:00:25 -0400
Subject: [PATCH] Fix typing of `revision` argument in "Don't Generate Empty
 Migrations with Autogenerate" recipe

---
 docs/build/cookbook.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/build/cookbook.rst b/docs/build/cookbook.rst
index cde13914..fd84db0a 100644
--- a/docs/build/cookbook.rst
+++ b/docs/build/cookbook.rst
@@ -901,6 +901,7 @@ single :class:`.MigrationScript` directive if it is empty of
 any operations::
 
     # for typing purposes
+    from collections.abc import Iterable
     from alembic.environment import MigrationContext
 
     # this typing-only import requires alembic 1.12.1 or above
@@ -913,7 +914,7 @@ any operations::
 
         def process_revision_directives(
             context: MigrationContext,
-            revision: tuple[str, str],
+            revision: str | Iterable[str | None] | Iterable[str],
             directives: list[MigrationScript],
         ):
             assert config.cmd_opts is not None
-- 
2.47.2