[Yum] Yum stopped working. Updated Yum, and Python manually still no go.

[jeff at cis.jhu.edu]

running out of ideas. sqlite won't upgrade without upgrading libc which
I'd rather have yum do.

[root at localhost ~]# yum update
Setting up Update Process
Setting up repositories
core                      100% |=========================| 1.1 kB    00:00
dries                     100% |=========================|  951 B    00:00
dag                       100% |=========================| 1.1 kB    00:00
freshrpms                 100% |=========================|  951 B    00:00
extras                    100% |=========================| 1.1 kB    00:00
newrpms.sunsite.dk        100% |=========================|  951 B    00:00
updates                   100% |=========================|  951 B    00:00
updates-released          100% |=========================|  951 B    00:00
base                      100% |=========================| 1.1 kB    00:00
Reading repository metadata in from local files
primary.xml.gz            100% |=========================| 659 kB    00:04
core      : ################                                  
606/1806Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in ?
    yummain.main(sys.argv[1:])
  File "/usr/share/yum-cli/yummain.py", line 97, in main
    result, resultmsgs = do()
  File "/usr/share/yum-cli/cli.py", line 471, in doCommands
    return self.updatePkgs()
  File "/usr/share/yum-cli/cli.py", line 949, in updatePkgs
    self.doRepoSetup()
  File "/usr/share/yum-cli/cli.py", line 75, in doRepoSetup
    self.doSackSetup(thisrepo=thisrepo)
  File "__init__.py", line 260, in doSackSetup
  File "repos.py", line 287, in populateSack
  File "sqlitecache.py", line 96, in getPrimary
  File "sqlitecache.py", line 89, in _getbase
  File "sqlitecache.py", line 344, in updateSqliteCache
  File "mdparser.py", line 61, in next
  File "<string>", line 61, in __iter__
SyntaxError: unbound prefix: line 2539, column 590
[root at localhost ~]# rpm -q yum python python-elementtree python-sqlite
python-urlgrabber
yum-2.4.2-1
python-2.4.1-2
python-elementtree-1.2.6-5.2.fc4.rf
python-sqlite-1.1.6-1
python-urlgrabber-2.9.6-1
[root at localhost ~]#