The following was filed automatically by anaconda:
anaconda 33.16.6.7 exception report
Traceback (most recent call first):
  File "/usr/lib64/python3.6/site-packages/pyanaconda/ui/gui/hubs/__init__.py", line 223, in _updateCompleteness
    spoke.selector.set_incomplete(not spoke.completed and spoke.mandatory)
  File "/usr/lib64/python3.6/site-packages/pyanaconda/ui/gui/hubs/__init__.py", line 308, in _update_spokes
    self._updateCompleteness(spoke)
TypeError: Argument 1 does not allow None as a value
