--- a/browser_side/register.py	Tue Mar 25 16:09:12 2014 +0100
+++ b/browser_side/register.py	Wed Mar 26 17:34:01 2014 +0100
@@ -35,7 +35,7 @@
 from pyjamas.ui.Image import Image
 from pyjamas.ui.Hidden import Hidden
 from pyjamas import Window
-from pyjamas.ui.KeyboardListener import KEY_ESCAPE, KEY_ENTER
+from pyjamas.ui.KeyboardListener import KEY_ENTER
 import re
 from pyjamas.Timer import Timer
 
@@ -158,13 +158,13 @@
             # the widget looses the focus. Using a timer with
             # any delay value > 0 would do the trick.
             if sender == self.login_box:
-                Timer(5, lambda: self.login_pass_box.setFocus(True))
+                Timer(5, lambda timer: self.login_pass_box.setFocus(True))
             elif sender == self.login_pass_box:
                 self.onLogin(None)
             elif sender == self.register_login_box:
-                Timer(5, lambda: self.email_box.setFocus(True))
+                Timer(5, lambda timer: self.email_box.setFocus(True))
             elif sender == self.email_box:
-                Timer(5, lambda: self.register_pass_box.setFocus(True))
+                Timer(5, lambda timer: self.register_pass_box.setFocus(True))
             elif sender == self.register_pass_box:
                 self.onRegister(None)