Description of problem:
When executing the command "repoquery --whatrequires xfwm4", i get this crash.

The reason of the crash is pretty obvious as stated in the end of the traceback - "[Errno 256] No more mirrors to try", but it IMHO it should give a more friendly feedback.


Version-Release number of selected component:
yum-utils-1.1.31-4.fc17

Additional info:
libreport version: 2.0.18
abrt_version:   2.0.18
cmdline:        /usr/bin/python -tt /usr/bin/repoquery --whatrequires xfwm4

backtrace:
:yumRepo.py:963:_getFile:NoMoreMirrorsRepoError: failure: repodata/primary.xml.gz from google-chrome: [Errno 256] No more mirrors to try.
:
:Traceback (most recent call last):
:  File "/usr/bin/repoquery", line 1510, in <module>
:    main(sys.argv)
:  File "/usr/bin/repoquery", line 1504, in main
:    repoq.runQuery(regexs)
:  File "/usr/bin/repoquery", line 988, in runQuery
:    for p in self.doQuery(oper, prco):
:  File "/usr/bin/repoquery", line 1027, in doQuery
:    return getattr(self, "fmt_%s" % method)(*args, **kw)
:  File "/usr/bin/repoquery", line 1066, in fmt_whatrequires
:    require_recursive(name)
:  File "/usr/bin/repoquery", line 1051, in require_recursive
:    for pkg in self.returnByName(name):
:  File "/usr/bin/repoquery", line 839, in returnByName
:    pkgs = self.returnPkgList(patterns=[name])
:  File "/usr/bin/repoquery", line 856, in returnPkgList
:    pkgs = self.pkgSack.returnNewestByNameArch(**kwargs)
:  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 1013, in <lambda>
:    pkgSack = property(fget=lambda self: self._getSacks(),
:  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 779, in _getSacks
:    self.repos.populateSack(which=repos)
:  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 348, in populateSack
:    sack.populate(repo, mdtype, callback, cacheonly)
:  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 206, in populate
:    xml = repo_get_function()
:  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1768, in getPrimaryXML
:    return self.retrieveMD('primary')
:  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1687, in retrieveMD
:    return self._retrieveMD(mdtype)
:  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1750, in _retrieveMD
:    **kwargs)
:  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 963, in _getFile
:    raise Errors.NoMoreMirrorsRepoError(errstr, errors)
:NoMoreMirrorsRepoError: failure: repodata/primary.xml.gz from google-chrome: [Errno 256] No more mirrors to try.
:
:Local variables in innermost frame:
:errors: None
:e: URLGrabError(256, 'No more mirrors to try.')
:start: None
:url: None
:text: 'google-chrome/primary'
:self: <yum.yumRepo.YumRepository object at 0x2665bd0>
:cache: True
:reget: None
:relative: 'repodata/primary.xml.gz'
:headers: ()
:checkfunc: <function checkfunc at 0x2743320>
:errstr: 'failure: repodata/primary.xml.gz from google-chrome: [Errno 256] No more mirrors to try.'
:copy_local: 1
:kwargs: {}
:end: None
:local: '/var/tmp/yum-lam-oE5EyA/x86_64/17/google-chrome/primary.xml.gz'
:size: None