-        cal = calendar.CalendarCtrl(self, -1, wx.DateTime_Now(), pos = (25,50),
-                             style = calendar.CAL_SHOW_HOLIDAYS
-                             | calendar.CAL_SUNDAY_FIRST
-                             | calendar.CAL_SEQUENTIAL_MONTH_SELECTION
+        cal = wx.calendar.CalendarCtrl(self, -1, wx.DateTime_Now(), pos = (25,50),
+                             style = wx.calendar.CAL_SHOW_HOLIDAYS
+                             | wx.calendar.CAL_SUNDAY_FIRST
+                             | wx.calendar.CAL_SEQUENTIAL_MONTH_SELECTION