Description of problem:
The following was filed automatically by anaconda:
anaconda 18.37.11 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.7/site-packages/pyanaconda/storage/devices.py", line 2296, in size
    size += max(0, self.align(pv.size - pv.format.peStart))
  File "/usr/lib64/python2.7/site-packages/pyanaconda/storage/devices.py", line 2313, in freeSpace
    log.debug("%s size is %dMB" % (self.name, self.size))
  File "/usr/lib64/python2.7/site-packages/pyanaconda/storage/partitioning.py", line 1930, in growLVM
    total_free = vg.freeSpace
  File "/usr/lib64/python2.7/site-packages/pyanaconda/storage/partitioning.py", line 309, in doAutoPartition
    growLVM(storage)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/kickstart.py", line 267, in execute
    doAutoPartition(storage, ksdata)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/kickstart.py", line 1484, in doKickstartStorage
    ksdata.autopart.execute(storage, ksdata, instClass)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/storage.py", line 399, in _doExecute
    doKickstartStorage(self.storage, self.data, self.instclass)
  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)
AttributeError: 'DeviceFormat' object has no attribute 'peStart'

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda
cmdline_file:   initrd=initrd.img inst.stage2=hd:LABEL=Fedora\x2018\x20x86_64 quiet BOOT_IMAGE=vmlinuz 
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.6.10-4.fc18.x86_64
other involved packages: 
package:        anaconda-18.37.11
product:        Fedora
release:        Cannot get release name.
type:           libreport
version:        18