From 186df96240a621ba71247a4f5cbd6413e3bfc270 Mon Sep 17 00:00:00 2001
From: Simon Tas <simon.tas.st@gmail.com>
Date: Thu, 29 May 2025 00:08:38 +0200
Subject: [PATCH] allow tuple type in down_revision

---
 alembic/templates/async/script.py.mako     | 2 +-
 alembic/templates/generic/script.py.mako   | 2 +-
 alembic/templates/multidb/script.py.mako   | 2 +-
 alembic/templates/pyproject/script.py.mako | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/alembic/templates/async/script.py.mako b/alembic/templates/async/script.py.mako
index 480b130d..11016301 100644
--- a/alembic/templates/async/script.py.mako
+++ b/alembic/templates/async/script.py.mako
@@ -13,7 +13,7 @@ ${imports if imports else ""}
 
 # revision identifiers, used by Alembic.
 revision: str = ${repr(up_revision)}
-down_revision: Union[str, None] = ${repr(down_revision)}
+down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
 branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
 depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
 
diff --git a/alembic/templates/generic/script.py.mako b/alembic/templates/generic/script.py.mako
index 480b130d..11016301 100644
--- a/alembic/templates/generic/script.py.mako
+++ b/alembic/templates/generic/script.py.mako
@@ -13,7 +13,7 @@ ${imports if imports else ""}
 
 # revision identifiers, used by Alembic.
 revision: str = ${repr(up_revision)}
-down_revision: Union[str, None] = ${repr(down_revision)}
+down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
 branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
 depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
 
diff --git a/alembic/templates/multidb/script.py.mako b/alembic/templates/multidb/script.py.mako
index 3caca7bf..8e667d84 100644
--- a/alembic/templates/multidb/script.py.mako
+++ b/alembic/templates/multidb/script.py.mako
@@ -16,7 +16,7 @@ ${imports if imports else ""}
 
 # revision identifiers, used by Alembic.
 revision: str = ${repr(up_revision)}
-down_revision: Union[str, None] = ${repr(down_revision)}
+down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
 branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
 depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
 
diff --git a/alembic/templates/pyproject/script.py.mako b/alembic/templates/pyproject/script.py.mako
index 480b130d..11016301 100644
--- a/alembic/templates/pyproject/script.py.mako
+++ b/alembic/templates/pyproject/script.py.mako
@@ -13,7 +13,7 @@ ${imports if imports else ""}
 
 # revision identifiers, used by Alembic.
 revision: str = ${repr(up_revision)}
-down_revision: Union[str, None] = ${repr(down_revision)}
+down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
 branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
 depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
 
-- 
2.47.3