[nanny] Fixed bug in ScheduleCalendar while dragging

[Cesar Garcia Tapia <ctapia src gnome org>]

commit 664abbb68c7864b905dfb57a9c3da35035570919
Author: Cesar Garcia Tapia <cesar garcia tapia openshine com>
Date:   Tue Mar 16 18:23:23 2010 +0100

    Fixed bug in ScheduleCalendar while dragging

 client/gnome/admin/src/ScheduleCalendar.py |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/client/gnome/admin/src/ScheduleCalendar.py b/client/gnome/admin/src/ScheduleCalendar.py
index dbbffdb..7bb7172 100644
--- a/client/gnome/admin/src/ScheduleCalendar.py
+++ b/client/gnome/admin/src/ScheduleCalendar.py
@@ -168,7 +168,10 @@ class ScheduleCalendar (gtk.EventBox):
         self.schedule_data = copy.deepcopy (self.__origin_schedule_data)
         for h in range (min_hour, max_hour+1):
             for d in range (min_day, max_day+1):
-                self.schedule_data[d][h] = self.__origin_value 
+                try:
+                    self.schedule_data[d][h] = self.__origin_value 
+                except:
+                    break
         self.__reload ()
 
     def __on_button_press_event (self, widget, event, data=None):