From 922e27fa5a7b3bf282191f9e91e6eeaaa76adf20 Mon Sep 17 00:00:00 2001
From: Maxime Desroches <desroches.maxime@gmail.com>
Date: Wed, 26 Jul 2023 16:01:26 -0700
Subject: [PATCH] gpio_export return type (#29158)

return type
---
 common/gpio.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/gpio.py b/common/gpio.py
index 54854fda1e..5ec23bf7b1 100644
--- a/common/gpio.py
+++ b/common/gpio.py
@@ -25,7 +25,7 @@ def gpio_read(pin: int) -> Optional[bool]:
 
   return val
 
-def gpio_export(pin: int):
+def gpio_export(pin: int) -> None:
   try:
     with open("/sys/class/gpio/export", 'w') as f:
       f.write(str(pin))