Description of problem:
Booted F19 TC3 netinst. I saw already this problem once in a VM, but it's hard to reproduce, probably some race condition.
The following was filed automatically by anaconda:
anaconda 19.30.5-1 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/babel/localedata.py", line 111, in load
    fileobj.close()
  File "/usr/lib/python2.7/site-packages/babel/core.py", line 231, in _data
    self.__data = localedata.LocaleDataDict(localedata.load(str(self)))
  File "/usr/lib/python2.7/site-packages/babel/core.py", line 293, in languages
    return self._data['languages']
  File "/usr/lib/python2.7/site-packages/babel/core.py", line 250, in get_display_name
    retval = locale.languages.get(self.language)
  File "/usr/lib/python2.7/site-packages/babel/core.py", line 278, in english_name
    return self.get_display_name(Locale('en'))
  File "/usr/lib/python2.7/site-packages/pyanaconda/localization.py", line 87, in english_name
    return self._localedata.english_name or u''
  File "/usr/lib/python2.7/site-packages/pyanaconda/ui/gui/spokes/welcome.py", line 177, in initialize
    trans.english_name, trans.short_name)
  File "/usr/lib/python2.7/site-packages/pyanaconda/ui/gui/__init__.py", line 367, in run
    self._currentAction.initialize()
  File "/sbin/anaconda", line 1087, in <module>
    anaconda._intf.run()
IOError: [Errno 9] Bad file descriptor

Version-Release number of selected component:
anaconda-19.30.5-1

Additional info:
reporter:       libreport-2.1.4
cmdline:        /usr/bin/python  /sbin/anaconda
cmdline_file:   initrd=initrd.img inst.stage2=hd:UUID=367b7403-8a9d-478b-9ad3-7f4cdbc58716 systemd.log_level=debug systemd.log_target=ksmg log_buf_len=1M BOOT_IMAGE=vmlinuz 
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.9.4-301.fc19.i686
product:        Fedora
release:        Cannot get release name.
type:           anaconda
version:        19-TC3

Truncated backtrace:
Traceback (most recent call last):
  File "/sbin/anaconda", line 1087, in <module>
    anaconda._intf.run()
  File "/usr/lib/python2.7/site-packages/pyanaconda/ui/gui/__init__.py", line 367, in run
    self._currentAction.initialize()
  File "/usr/lib/python2.7/site-packages/pyanaconda/ui/gui/spokes/welcome.py", line 177, in initialize
    trans.english_name, trans.short_name)
  File "/usr/lib/python2.7/site-packages/pyanaconda/localization.py", line 87, in english_name
    return self._localedata.english_name or u''
  File "/usr/lib/python2.7/site-packages/babel/core.py", line 278, in english_name
    return self.get_display_name(Locale('en'))
  File "/usr/lib/python2.7/site-packages/babel/core.py", line 250, in get_display_name
    retval = locale.languages.get(self.language)
  File "/usr/lib/python2.7/site-packages/babel/core.py", line 293, in languages
    return self._data['languages']
  File "/usr/lib/python2.7/site-packages/babel/core.py", line 231, in _data
    self.__data = localedata.LocaleDataDict(localedata.load(str(self)))
  File "/usr/lib/python2.7/site-packages/babel/localedata.py", line 111, in load
    fileobj.close()
IOError: [Errno 9] Bad file descriptor