--- a/demo_checkbox.py	Thu Jan 10 00:03:34 2013 +0100
+++ b/demo_checkbox.py	Fri Jan 18 22:36:50 2013 +0100
@@ -4,16 +4,15 @@
 import locale
 locale.setlocale(locale.LC_ALL, '')
 
-from tuikit import *
+from tuikit import Application, VerticalLayout, ComboBox, Checkbox
 
 
 class MyApplication(Application):
     def __init__(self):
         Application.__init__(self)
+        self.top = VerticalLayout(homogeneous=False)
         self.top.add_handler('keypress', self.on_top_keypress)
 
-        self.top.layout = VerticalLayout(homogeneous=False)
-
         combo = ComboBox(items=['abc', 'xyz'])
         self.top.add(combo)