up2date problem

[Bryan Elliott <redhat zoinkz com>]

Hi all I have a RedHat 2.1 AS box that is giving me some problems with 
up2date. When I try to run up2date -l I get the following errors any 
ideals on how to take care of this? Thanks

[root mybox root]# up2date -l
Traceback (innermost last):
 File "/usr/sbin/up2date", line 839, in ?
   main()
 File "/usr/sbin/up2date", line 627, in main
   pkgNames, fullUpdate, dryRun = dry_run))
 File "/usr/sbin/up2date", line 782, in batchRun
   batch.run()
 File "/usr/share/rhn/up2date_client/up2dateBatch.py", line 57, in run
   self.__findPackagesToUpdate()
 File "/usr/share/rhn/up2date_client/up2dateBatch.py", line 89, in 
__findPackagesToUpdate
   plist.run()
 File "/usr/share/rhn/up2date_client/packageList.py", line 85, in run
   self.addObsoletePackages(obsList)
 File "/usr/share/rhn/up2date_client/packageList.py", line 111, in 
addObsoletePackages
   if len(obsoletePackages) == 0:
TypeError: len() of unsized object