Version-Release number of selected component:
anaconda-19.30.13-1.fc19.x86_64

The following was filed automatically by anaconda:
anaconda 19.30.13-1 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 297, in _removeDevice
    if dev.partedPartition.type == parted.PARTITION_EXTENDED and \
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 344, in registerAction
    self._removeDevice(action.device)
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 1179, in destroyDevice
    self.devicetree.registerAction(action)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2024, in _destroy_device
    self.__storage.destroyDevice(device)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2146, in on_remove_clicked
    self._destroy_device(dev)
AttributeError: 'NoneType' object has no attribute 'type'

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda --liveinst --method=livecd:///dev/mapper/live-osimg-min --lang en_US.UTF-8
cmdline_file:   initrd=initrd0.img root=live:CDLABEL=Fedora-Live-Desktop-x86_64-19-1 rootfstype=auto ro rd.live.image quiet  rhgb rd.luks=0 rd.md=0 rd.dm=0  BOOT_IMAGE=vmlinuz0 
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.9.5-301.fc19.x86_64
other involved packages: python-blivet-0.17-1.fc19.noarch
product:        Fedora
release:        Fedora release 19 (Schrödinger’s Cat)
type:           anaconda
version:        19