The following was filed automatically by anaconda:
anaconda 15.20.1 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/pyanaconda/platform.py", line 215, in bootDevice
    for part in self.anaconda.id.storage.partitions:
  File "/usr/lib/python2.7/site-packages/pyanaconda/platform.py", line 526, in bootDevice
    return EFI.bootDevice(self)
  File "/usr/lib/python2.7/site-packages/pyanaconda/storage/partitioning.py", line 848, in doPartitioning
    bootDev = anaconda.platform.bootDevice()
  File "/usr/lib/python2.7/site-packages/pyanaconda/iw/partition_gui.py", line 1585, in refresh
    doPartitioning(self.storage)
  File "/usr/lib/python2.7/site-packages/pyanaconda/iw/partition_gui.py", line 1684, in editPartition
    if self.refresh(justRedraw=not actions):
  File "/usr/lib/python2.7/site-packages/pyanaconda/iw/partition_gui.py", line 1642, in editCB
    self.editPartition(device)
  File "/usr/lib/python2.7/site-packages/pyanaconda/iw/partition_gui.py", line 1163, in treeActivateCB
    self.editCB()
AttributeError: 'NoneType' object has no attribute 'storage'