diff --git a/takway/board/orangepi.py b/takway/board/orangepi.py
index 20e7413..55911d7 100644
--- a/takway/board/orangepi.py
+++ b/takway/board/orangepi.py
@@ -75,7 +75,7 @@ class OrangePi(BaseHardware):
                     press_duration = (datetime.now() - press_time_1).total_seconds()
                     print(f"{datetime.now()}: press_duration: {press_duration}")
                     if press_duration > 1:
-                        self.long_power_status =  not self.long_power_status
+                        self.long_power_status = not self.long_power_status
                         print(f"{datetime.now()}: long_power_status: {self.long_power_status} {self.short_power_status}")
                     else:
                         self.short_power_status = not self.short_power_status