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 1604, in getGroups
    return self._retrieveMD('group_gz', retrieve_can_fail=True)
  File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 708, in _getGroups
    groupfile = repo.getGroups()
  File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 797, in <lambda>
    comps = property(fget=lambda self: self._getGroups(),
  File "/usr/lib/anaconda/yuminstall.py", line 1187, in doGroupSetup
    sel = filter(lambda g: g.selected, self.ayum.comps.get_groups())
  File "/usr/lib/anaconda/yuminstall.py", line 1178, in doBackendSetup
    self.doGroupSetup(anaconda)
  File "/usr/lib/anaconda/backend.py", line 282, in doBackendSetup
    if anaconda.backend.doBackendSetup(anaconda) == DISPATCH_BACK:
  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'