yum failing to install httpd

A yum update worked, seems like something wrong with the httpd package,
or at least something triggered by it?  If I read this right, it's
crashing trying to look for dependencies?

[102] # yum install httpd
Loaded plugins: fastestmirror, priorities
Loading mirror speeds from cached hostfile
 * rpmforge: fr2.rpmfind.net
 * base: linux.mirrors.es.net
 * updates: mirror.nic.uoregon.edu
 * addons: mirror.hmc.edu
 * extras: mirrors.tummy.com
Setting up Install Process
Parsing package install arguments
Resolving Dependencies
--> Running transaction check
---> Package httpd.i386 0:2.2.3-22.el5.centos set to be updated
Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in ?
    yummain.user_main(sys.argv[1:], exit_code=True)
  File "/usr/share/yum-cli/yummain.py", line 229, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 145, in main
    (result, resultmsgs) = base.buildTransaction()
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 647, in
buildTransaction
    (rescode, restring) = self.resolveDeps()
  File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 696, in
resolveDeps
    CheckDeps, checkinstalls, checkremoves, missing =
self._resolveRequires(errors)
  File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 779, in
_resolveRequires
    thisneeds = self._checkInstall(txmbr)
  File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 851, in
_checkInstall
    provs = self.tsInfo.getProvides(*req)
  File "/usr/lib/python2.4/site-packages/yum/transactioninfo.py", line
432, in getProvides
    result.update(self.getNewProvides(name, flag, version))
  File "/usr/lib/python2.4/site-packages/yum/transactioninfo.py", line
414, in getNewProvides
    for pkg, hits in self.pkgSack.getProvides(name, flag,
version).iteritems():
  File "/usr/lib/python2.4/site-packages/yum/packageSack.py", line 300,
in getProvides
    return self._computeAggregateDictResult("getProvides", name, flags,
version)
  File "/usr/lib/python2.4/site-packages/yum/packageSack.py", line 470,
in _computeAggregateDictResult
    sackResult = apply(method, args)
  File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 861,
in getProvides
    return self._search("provides", name, flags, version)
  File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 43, in
newFunc
    return func(*args, **kwargs)
  File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 837,
in _search
    for pkg in self.searchFiles(name, strict=True):
  File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 43, in
newFunc
    return func(*args, **kwargs)
  File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 586,
in searchFiles
    self._sql_pkgKey2po(rep, cur, pkgs)
  File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 470,
in _sql_pkgKey2po
    pkg = self._packageByKey(repo, ob['pkgKey'])
  File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 413,
in _packageByKey
    po = self.pc(repo, cur.fetchone())
  File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 68, in
__init__
    self._read_db_obj(db_obj)
  File "/usr/lib/python2.4/site-packages/yum/sqlitesack.py", line 94, in
_read_db_obj
    setattr(self, item, _share_data(db_obj[item]))
TypeError: unsubscriptable object