Description of problem:
Error on kickstart installation with only F18-TC3 dvd as media (no repo)
The following was filed automatically by anaconda:
anaconda 18.37.3 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.7/logging/__init__.py", line 328, in getMessage
    msg = msg % self.args
  File "/usr/lib64/python2.7/logging/__init__.py", line 464, in format
    record.message = record.getMessage()
  File "/usr/lib64/python2.7/logging/__init__.py", line 723, in format
    return fmt.format(record)
  File "/usr/lib64/python2.7/logging/handlers.py", line 791, in emit
    msg = self.format(record) + '\000'
  File "/usr/lib64/python2.7/site-packages/pyanaconda/anaconda_log.py", line 114, in emit
    SysLogHandler.emit(self, record)
  File "/usr/lib64/python2.7/logging/__init__.py", line 748, in handle
    self.emit(record)
  File "/usr/lib64/python2.7/logging/__init__.py", line 1308, in callHandlers
    hdlr.handle(record)
  File "/usr/lib64/python2.7/logging/__init__.py", line 1268, in handle
    self.callHandlers(record)
  File "/usr/lib64/python2.7/logging/__init__.py", line 1258, in _log
    self.handle(record)
  File "/usr/lib64/python2.7/logging/__init__.py", line 1184, in critical
    self._log(CRITICAL, msg, args, **kwargs)
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 3693, in selectGroup
    self.logger.critical(_('Group %s does have %u conditional packages, which may get installed.'), count_cond_test)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/packaging/yumpayload.py", line 1056, in _selectYumGroup
    self._yum.selectGroup(groupid, group_package_types=pkg_types)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/packaging/yumpayload.py", line 1183, in _applyYumSelections
    self._selectYumGroup(group.name, default=default, optional=optional)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/packaging/yumpayload.py", line 1213, in checkSoftwareSelection
    self._applyYumSelections()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/packaging/yumpayload.py", line 1298, in preInstall
    self.checkSoftwareSelection()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/install.py", line 124, in doInstall
    payload.preInstall(packages=packages, groups=payload.languageGroups(ksdata.lang.lang))
  File "/usr/lib64/python2.7/threading.py", line 504, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/threads.py", line 91, in run
    threading.Thread.run(self, *args, **kwargs)
TypeError: not enough arguments for format string

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda
cmdline_file:   initrd=initrd.img inst.stage2=hd:LABEL=Fedora\x2018-TC3\x20x86_64 quiet ks=http://haderach.kwizart.net/pub/basic/nchauvet-laptop.ks BOOT_IMAGE=vmlinuz 
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.6.10-4.fc18.x86_64
other involved packages: 
package:        anaconda-18.37.3
product:        Fedora
release:        Cannot get release name.
type:           libreport
version:        18-TC3