From 31d843c80441bfa879829bac368583f85ee0e96b Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Mon, 30 Mar 2026 10:36:19 +0200
Subject: [PATCH 1/2] gh-146444: Make Platforms/Apple/ compatible with Python
 3.9

Replace "str | None" with typing.Union[str, None].
---
 Platforms/Apple/__main__.py         | 3 ++-
 Platforms/Apple/testbed/__main__.py | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Platforms/Apple/__main__.py b/Platforms/Apple/__main__.py
index c646a222bc630f..9b51f8a3b75514 100644
--- a/Platforms/Apple/__main__.py
+++ b/Platforms/Apple/__main__.py
@@ -52,9 +52,10 @@
 from os.path import basename, relpath
 from pathlib import Path
 from subprocess import CalledProcessError
+from typing import Union
 
 EnvironmentT = dict[str, str]
-ArgsT = Sequence[str | Path]
+ArgsT = Sequence[Union[str, Path]]
 
 SCRIPT_NAME = Path(__file__).name
 PYTHON_DIR = Path(__file__).resolve().parent.parent.parent
diff --git a/Platforms/Apple/testbed/__main__.py b/Platforms/Apple/testbed/__main__.py
index 0dd77ab8b82797..96da1f9c7525f1 100644
--- a/Platforms/Apple/testbed/__main__.py
+++ b/Platforms/Apple/testbed/__main__.py
@@ -7,6 +7,7 @@
 import subprocess
 import sys
 from pathlib import Path
+from typing import Union
 
 TEST_SLICES = {
     "iOS": "ios-arm64_x86_64-simulator",
@@ -262,7 +263,7 @@ def update_test_plan(testbed_path, platform, args):
 
 def run_testbed(
     platform: str,
-    simulator: str | None,
+    simulator: Union[str, None],
     args: list[str],
     verbose: bool = False,
 ):

From 086ae1ee0caf282844fdcd1bfeb0384d3869ee03 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Mon, 30 Mar 2026 10:55:37 +0200
Subject: [PATCH 2/2] Use Python 3.9

---
 Platforms/Apple/.ruff.toml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Platforms/Apple/.ruff.toml b/Platforms/Apple/.ruff.toml
index f5d74fdb6afe87..a10de0edb804f4 100644
--- a/Platforms/Apple/.ruff.toml
+++ b/Platforms/Apple/.ruff.toml
@@ -1,5 +1,8 @@
 extend = "../../.ruff.toml"  # Inherit the project-wide settings
 
+# iOS buildbot worker uses Python 3.9
+target-version = "py39"
+
 [format]
 preview = true
 docstring-code-format = true