[root@main ~]# yum check-update
Loading "priorities" plugin
Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in ?
    yummain.main(sys.argv[1:])
  File "/usr/share/yum-cli/yummain.py", line 80, in main
    base.getOptionsConfig(args)
  File "/usr/share/yum-cli/cli.py", line 196, in getOptionsConfig
    self.doPluginSetup(self.optparser)
  File "__init__.py", line 160, in doPluginSetup
  File "plugins.py", line 283, in parseopts
  File "plugins.py", line 296, in _do_opts
  File "config.py", line 69, in _getint
  File "/usr/lib/python2.3/ConfigParser.py", line 315, in getint
    return self._get(section, int, option)
  File "/usr/lib/python2.3/ConfigParser.py", line 312, in _get
    return conv(self.get(section, option))
ValueError: invalid literal for int(): N