Description of problem:
burn images/boot.iso to DVD  (boot.iso from mirrors and dated 1Nov)
boot with DVD
at language selection this error occurs

Version-Release number of selected component:
anaconda-21.48.13-1

The following was filed automatically by anaconda:
anaconda 21.48.13-1 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 2362, in _verifyMemberFormat
    if not isinstance(member.format, self.formatClass):
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 2419, in _addParent
    error = self._verifyMemberFormat(member)
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 183, in append
    self.appendfunc(y)
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 325, in _setParentList
    self._parents.append(parent)
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 268, in __init__
    self.parents = parents
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 576, in __init__
    Device.__init__(self, name, parents=parents)
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 2083, in __init__
    parents=parents, sysfsPath=sysfsPath)
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 4277, in __init__
    sysfsPath=sysfsPath)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1679, in handleUdevDMRaidMemberFormat
    parents=[device])
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1882, in handleUdevDeviceFormat
    self.handleUdevDMRaidMemberFormat(info, device)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1233, in addUdevDevice
    self.handleUdevDeviceFormat(info, device)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 2170, in _populate
    self.addUdevDevice(dev)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 2105, in populate
    self._populate()
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 479, in reset
    self.devicetree.populate(cleanupOnly=cleanupOnly)
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 183, in storageInitialize
    storage.reset()
  File "/usr/lib/python2.7/threading.py", line 766, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib/python2.7/site-packages/pyanaconda/threads.py", line 227, in run
    threading.Thread.run(self, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/pyanaconda/threads.py", line 112, in wait
    self.raise_if_error(name)
  File "/usr/lib/python2.7/site-packages/pyanaconda/timezone.py", line 75, in time_initialize
    threadMgr.wait(THREAD_STORAGE)
  File "/usr/lib/python2.7/threading.py", line 766, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib/python2.7/site-packages/pyanaconda/threads.py", line 227, in run
    threading.Thread.run(self, *args, **kwargs)
AttributeError: 'DMRaidArrayDevice' object has no attribute 'formatClass'

Additional info:
addons:         com_redhat_kdump
cmdline:        /usr/bin/python  /sbin/anaconda
cmdline_file:   BOOT_IMAGE=vmlinuz initrd=initrd.img inst.stage2=hd:LABEL=Fedora-21-i386 quiet
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.17.1-300.fc21.i686
product:        Fedora"
release:        Cannot get release name.
type:           anaconda
version:        Fedora