Description of problem:

Can't create live cd

Version-Release number of selected component (if applicable):
livecd-tools-20.1-1.fc20.x86_64

How reproducible:
Try to build livecd with livecd-creator

Steps to Reproduce:
1. livecd-creator --config=/usr/share/spin-kickstarts/fedora-livecd-desktop.ks
2.
3.

Actual results:
/usr/lib/python2.7/site-packages/pykickstart/commands/partition.py:309: UserWarning: A partition with the mountpoint / has already been defined.
  warnings.warn(_("A partition with the mountpoint %s has already been defined.") % pd.mountpoint)
['/sbin/mkfs.ext4', '-F', '-L', '_fedora-livec-x86_64-201312180918', '-m', '1', '-b', '4096', '/dev/loop5']
Traceback (most recent call last):
  File "/bin/livecd-creator", line 237, in <module>
    sys.exit(main())
  File "/bin/livecd-creator", line 218, in main
    creator.install()
  File "/usr/lib/python2.7/site-packages/imgcreate/creator.py", line 642, in install
    ayum.setup(yum_conf, self._instroot)
  File "/usr/lib/python2.7/site-packages/imgcreate/yuminst.py", line 105, in setup
    self.doTsSetup()
  File "/usr/lib/python2.7/site-packages/yum/depsolve.py", line 129, in doTsSetup
    return self._getTs()
  File "/usr/lib/python2.7/site-packages/yum/depsolve.py", line 137, in _getTs
    if not remove_only and self._tsInfo.pkgSack is None:
  File "/usr/lib/python2.7/site-packages/yum/transactioninfo.py", line 140, in <lambda>
    pkgSack = property(fget=lambda self: self._getPkgSack(),
  File "/usr/lib/python2.7/site-packages/yum/transactioninfo.py", line 137, in _getPkgSack
    self._pkgSack = self._pkgSackCtor()
  File "/usr/lib/python2.7/site-packages/yum/depsolve.py", line 76, in __call__
    return self.ayum.pkgSack
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 1071, in <lambda>
    pkgSack = property(fget=lambda self: self._getSacks(),
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 776, in _getSacks
    self.repos.populateSack(which=repos)
  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 383, in populateSack
    sack.populate(repo, mdtype, callback, cacheonly)
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 224, in populate
    if self._check_db_version(repo, mydbtype):
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 316, in _check_db_version
    return repo._check_db_version(mdtype)
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1484, in _check_db_version
    repoXML = self.repoXML
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1670, in <lambda>
    repoXML = property(fget=lambda self: self._getRepoXML(),
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1666, in _getRepoXML
    self._loadRepoXML(text=self.ui_id)
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1657, in _loadRepoXML
    return self._groupLoadRepoXML(text, self._mdpolicy2mdtypes())
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1631, in _groupLoadRepoXML
    if self._commonLoadRepoXML(text):
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1456, in _commonLoadRepoXML
    result = self._getFileRepoXML(local, text)
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1234, in _getFileRepoXML
    size=102400) # setting max size as 100K
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 1014, in _getFile
    result = self.grab.urlgrab(misc.to_utf8(relative), local,
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 694, in <lambda>
    grab = property(lambda self: self._getgrab())
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 689, in _getgrab
    self._setupGrab()
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 627, in _setupGrab
    urls = self.urls
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 871, in <lambda>
    urls = property(fget=lambda self: self._geturls(),
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 868, in _geturls
    self._baseurlSetup()
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 834, in _baseurlSetup
    self.check()
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 554, in check
    'Cannot find a valid baseurl for repo: %s' % self.ui_id
yum.Errors.RepoError: Cannot find a valid baseurl for repo: fedora

Expected results:

a iso :D

Additional info: