Description of problem:

When running dateconfig (redhat-config-date) in a terminal window the following 
erro is returned:

[root@popeye root]# redhat-config-date
Traceback (most recent call last):
  File "/usr/share/redhat-config-date/redhat-config-date.py", line 35, in ?
    mainWindow.mainWindow().stand_alone()
  File "/usr/share/redhat-config-date/mainWindow.py", line 181, in __init__
    self.timezonePage = timezone_gui.timezonePage()
  File "/usr/share/redhat-config-date/timezone_gui.py", line 50, in __init__
    self.tz = TimezoneMap(zonetab, self.default, map=path)
  File "/usr/share/redhat-config-date/timezone_map_gui.py", line 139, in 
__init__
    self.setCurrent(self.currentEntry)
  File "/usr/share/redhat-config-date/timezone_map_gui.py", line 180, in 
setCurrent
    self.markers[self.currentEntry.tz].hide()
AttributeError: 'NoneType' object has no attribute 'tz'


Version-Release number of selected component (if applicable):


How reproducible:
Every time.

Steps to Reproduce:
1.Run dateconfig (redhat-date-config) in a terminal window.
2.
3.
    
Actual results:
The following error is returned:

[root@popeye root]# redhat-config-date
Traceback (most recent call last):
  File "/usr/share/redhat-config-date/redhat-config-date.py", line 35, in ?
    mainWindow.mainWindow().stand_alone()
  File "/usr/share/redhat-config-date/mainWindow.py", line 181, in __init__
    self.timezonePage = timezone_gui.timezonePage()
  File "/usr/share/redhat-config-date/timezone_gui.py", line 50, in __init__
    self.tz = TimezoneMap(zonetab, self.default, map=path)
  File "/usr/share/redhat-config-date/timezone_map_gui.py", line 139, in 
__init__
    self.setCurrent(self.currentEntry)
  File "/usr/share/redhat-config-date/timezone_map_gui.py", line 180, in 
setCurrent
    self.markers[self.currentEntry.tz].hide()
AttributeError: 'NoneType' object has no attribute 'tz'


Expected results:
The date/time configuration window should initialize.

Additional info:
This system is also running squid, firestarter and apache webserver.