diff --git a/src/sugar3/activity/webactivity.py b/src/sugar3/activity/webactivity.py
index 8968a2a3..4ea31d0d 100644
--- a/src/sugar3/activity/webactivity.py
+++ b/src/sugar3/activity/webactivity.py
@@ -28,6 +28,7 @@ assert GdkX11
 from gi.repository import SugarExt
 from sugar3.activity import activity
 
+
 class WebActivity(Gtk.Window):
     def __init__(self, handle):
         Gtk.Window.__init__(self)