The following was filed automatically by anaconda:
anaconda 13.42 exception report
Traceback (most recent call first):
  File "/usr/lib/anaconda/yuminstall.py", line 839, in mirrorFailureCB
    dev.format.mountpoint = self.tree
  File "/usr/lib/python2.6/site-packages/urlgrabber/mirror.py", line 297, in _failure
    action = cb(cb_obj, *args, **kwargs) or {}
  File "/usr/lib/python2.6/site-packages/urlgrabber/mirror.py", line 402, in _mirror_try
    self._failure(gr, obj)
  File "/usr/lib/python2.6/site-packages/urlgrabber/mirror.py", line 408, in urlgrab
    return self._mirror_try(func, url, kw)
  File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 810, in _getFile
    size=size
  File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 1569, in _retrieveMD
    size=thisdata.size)
  File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 172, in populate
    db_fn = repo._retrieveMD(mydbtype)
  File "/usr/lib/python2.6/site-packages/yum/sqlitesack.py", line 881, in searchFiles
    self.populate(repo, mdtype='filelists')
  File "/usr/lib/python2.6/site-packages/yum/sqlitesack.py", line 46, in newFunc
    return func(*args, **kwargs)
  File "/usr/lib/python2.6/site-packages/yum/sqlitesack.py", line 1199, in _search
    for pkg in self.searchFiles(name, strict=True):
  File "/usr/lib/python2.6/site-packages/yum/sqlitesack.py", line 46, in newFunc
    return func(*args, **kwargs)
  File "/usr/lib/python2.6/site-packages/yum/sqlitesack.py", line 1213, in getProvides
    return self._search("provides", name, flags, version)
  File "/usr/lib/python2.6/site-packages/yum/packageSack.py", line 594, in _computeAggregateDictResult
    sackResult = apply(method, args)
  File "/usr/lib/python2.6/site-packages/yum/packageSack.py", line 408, in getProvides
    return self._computeAggregateDictResult("getProvides", name, flags, version)
  File "/usr/lib/python2.6/site-packages/yum/transactioninfo.py", line 510, in getNewProvides
    for pkg, hits in self.pkgSack.getProvides(name, flag, version).iteritems():
  File "/usr/lib/python2.6/site-packages/yum/transactioninfo.py", line 531, in getProvides
    result.update(self.getNewProvides(name, flag, version))
  File "/usr/lib/python2.6/site-packages/yum/depsolve.py", line 852, in _checkInstall
    provs = self.tsInfo.getProvides(*req)
  File "/usr/lib/python2.6/site-packages/yum/depsolve.py", line 785, in _resolveRequires
    thisneeds = self._checkInstall(txmbr)
  File "/usr/lib/python2.6/site-packages/yum/depsolve.py", line 691, in resolveDeps
    CheckDeps, checkinstalls, checkremoves, missing = self._resolveRequires(errors)
  File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 862, in buildTransaction
    (rescode, restring) = self.resolveDeps()
  File "/usr/lib/anaconda/yuminstall.py", line 1417, in doPostSelection
    (code, msgs) = self.ayum.buildTransaction()
  File "/usr/lib/anaconda/backend.py", line 290, in doPostSelection
    return anaconda.backend.doPostSelection(anaconda)
  File "/usr/lib/anaconda/dispatch.py", line 205, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/anaconda/dispatch.py", line 126, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/gui.py", line 1313, in nextClicked
    self.anaconda.dispatch.gotoNext()
AttributeError: 'NoneType' object has no attribute 'format'