From 98ca9fb800f52e1bdfdee01485435dfbc850ed86 Mon Sep 17 00:00:00 2001
From: clydebarrow <2366188+clydebarrow@users.noreply.github.com>
Date: Mon, 13 May 2024 11:22:55 +1000
Subject: [PATCH] Use Union

---
 esphome/cpp_generator.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/cpp_generator.py b/esphome/cpp_generator.py
index 2a0d0b217e..9a4cb2269a 100644
--- a/esphome/cpp_generator.py
+++ b/esphome/cpp_generator.py
@@ -712,7 +712,7 @@ async def templatable(
     value: Any,
     args: list[tuple[SafeExpType, str]],
     output_type: Optional[SafeExpType],
-    to_exp: Callable | dict = None,
+    to_exp: Union[Callable, dict] = None,
 ):
     """Generate code for a templatable config option.