[caribou] Raise an error when no keyboard is loaded.

[Eitan Isaacson <eitani src gnome org>]

commit e03a94e9430943923fd7bc8812a70f2cab5267c6
Author: Eitan Isaacson <eitan monotonous org>
Date:   Mon Jan 17 11:42:52 2011 +0200

    Raise an error when no keyboard is loaded.

 caribou/ui/window.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/caribou/ui/window.py b/caribou/ui/window.py
index d6739f1..153a280 100644
--- a/caribou/ui/window.py
+++ b/caribou/ui/window.py
@@ -222,6 +222,8 @@ class CaribouWindow(Gtk.Window, Clutter.Animatable, ProximityWindowBase):
             if os.path.exists(xml_path):
                 return xml_path
 
+	raise Exception("Could not load keyboard %s" % conf_file_path)
+
 
     def show_all(self):
         Gtk.Window.show_all(self)