diff --git a/examples/change_on_screensaver.py b/examples/change_on_screensaver.py
index 20959d18fd351949b45621c6e0984e69c420dccd..b8ecc72b9334eabd12cd213aae1c07e511a2e7e2 100755
--- a/examples/change_on_screensaver.py
+++ b/examples/change_on_screensaver.py
@@ -21,6 +21,7 @@ DBUS_SCREENSAVER_INTERFACES = (
     'org.xfce.ScreenSaver',
 )
 
+
 def signal_callback(active):
     if active:
         print("Lock screen/screensaver activated")
@@ -31,6 +32,7 @@ def signal_callback(active):
         # Set to green
         device.fx.static(0, 255, 0)
 
+
 DBusGMainLoop(set_as_default=True)
 bus = dbus.SessionBus()