Description of problem:
I created a GPT table partition in my blank disk using the text console, then switch back to the GUI and see a unknown partition, when I tried to delete it, it crashed.

Version-Release number of selected component:
anaconda-20.25.6-1

The following was filed automatically by anaconda:
anaconda 20.25.6-1 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 302, in _removeDevice
    if dev.partedPartition.type == parted.PARTITION_EXTENDED and \
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 351, in registerAction
    self._removeDevice(action.device)
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 1218, in destroyDevice
    self.devicetree.registerAction(action)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2077, in _destroy_device
    self.__storage.destroyDevice(device)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2201, in on_remove_clicked
    self._destroy_device(device)
AttributeError: 'NoneType' object has no attribute 'type'

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda
cmdline_file:   initrd=initrd.img inst.stage2=hd:LABEL=Fedora\x2020-Beta\x20x86_64 quiet BOOT_IMAGE=vmlinuz 
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.11.6-301.fc20.x86_64
product:        Fedora
release:        Cannot get release name.
type:           anaconda
version:        20-Beta