Description of problem:

When The install/remove packuge is being started the error shows:

An unhandled exception has occurred.  This is most likely a bug.  Please save
the crash dump and file a detailed bug report against pirut at
https://bugzilla.redhat.com/bugzilla

Component: pirut
Summary: TBaa979ac4 priorities.py:88:exclude_hook:AttributeError: 'NoneType'
object has no attribute 'samearch'

Traceback (most recent call last):
  File "/usr/sbin/pirut", line 483, in <module>
    main()
  File "/usr/sbin/pirut", line 479, in main
    pm.run()
  File "/usr/sbin/pirut", line 407, in run
    self.doRefresh()
  File "/usr/sbin/pirut", line 423, in doRefresh
    self.doRefreshRepos(self._onlyrepo)
  File "/usr/lib/python2.5/site-packages/pirut/__init__.py", line 339, in
doRefreshRepos
    self.reposSetup(pbar, thisrepo)
  File "/usr/lib/python2.5/site-packages/pirut/__init__.py", line 303, in reposSetup
    self.doTsSetup()
  File "/usr/lib/python2.5/site-packages/yum/depsolve.py", line 72, in doTsSetup
    return self._getTs()
  File "/usr/lib/python2.5/site-packages/yum/depsolve.py", line 85, in _getTs
    self._getTsInfo()
  File "/usr/lib/python2.5/site-packages/yum/depsolve.py", line 91, in _getTsInfo
    self._tsInfo.setDatabases(self.rpmdb, self.pkgSack)
  File "/usr/lib/python2.5/site-packages/yum/__init__.py", line 529, in <lambda>
    pkgSack = property(fget=lambda self: self._getSacks(),
  File "/usr/lib/python2.5/site-packages/yum/__init__.py", line 396, in _getSacks
    self.plugins.run('exclude')
  File "/usr/lib/python2.5/site-packages/yum/plugins.py", line 169, in run
    func(conduitcls(self, self.base, conf, **kwargs))
  File "/usr/lib/yum-plugins/priorities.py", line 88, in exclude_hook
    if opts.samearch:
AttributeError: 'NoneType' object has no attribute 'samearch'

Local variables in innermost frame:
conduit: <yum.plugins.MainPluginConduit instance at 0x10d7440>
commands: None
opts: None