Description of problem:
An exception is triggered when yumex attempts to retrieve updates

Version-Release number of selected component (if applicable):
yumex-3.0.1-2.fc15.noarch
yum-3.2.29-9.fc16.noarch
yum-langpacks-0.2.2-1.fc16.noarch
yum-metadata-parser-1.1.4-5.fc16.x86_64
yum-plugin-auto-update-debug-info-1.1.30-2.fc15.noarch
yum-plugin-fastestmirror-1.1.30-2.fc15.noarch
yum-plugin-remove-with-leaves-1.1.30-2.fc15.noarch
yum-presto-0.6.2-3.fc15.noarch
yum-utils-1.1.30-2.fc15.noarch


How reproducible:
100%

Steps to Reproduce:
1. startx
2. click on yumex icon in panel (or type yumex in a terminal window)
3. provide root password
4. repo list is shown (no autoupdating)
5. Click refresh button
  
Actual results:
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/yumexbackend/yum_server.py", line 1314, in dispatcher
    self.parse_command(args[0], args[1:])
  File "/usr/lib/python2.7/site-packages/yumexbackend/yum_server.py", line 1242, in parse_command
    self.get_packages(args[0], args[1])
  File "/usr/lib/python2.7/site-packages/yumexbackend/yum_server.py", line 71, in newFunc
    return func(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/yumexbackend/yum_server.py", line 509, in get_packages
    ygh = self.doPackageLists(pkgnarrow=narrow, showdups=show_dupes)
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 2268, in doPackageLists
    for (n,a,e,v,r) in self.up.getUpdatesList():
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 883, in <lambda>
    up = property(fget=lambda self: self._getUpdates(),
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 707, in _getUpdates
    self._up = rpmUtils.updates.Updates(self.rpmdb.simplePkgList(), self.pkgSack.simplePkgList())
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 864, in <lambda>
    pkgSack = property(fget=lambda self: self._getSacks(),
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 650, in _getSacks
    self.repos.populateSack(which=repos)
  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 260, in populateSack
    self.doSetup()
  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 72, in doSetup
    self.ayum.plugins.run('prereposetup')
  File "/usr/lib/python2.7/site-packages/yum/plugins.py", line 184, in run
    func(conduitcls(self, self.base, conf, **kwargs))
  File "/usr/lib/yum-plugins/auto-update-debuginfo.py", line 117, in prereposetup_hook
    enable_debuginfo_repos(yb, conduit)
  File "/usr/lib/yum-plugins/auto-update-debuginfo.py", line 42, in enable_debuginfo_repos
    for opt, repoexp in opts.repos:
AttributeError: Values instance has no attribute 'repos'


Expected results:
Yumex fetches latest updates from repos

Additional info:
No problems using yum