Description of problem:
system-config-kickstart give traceback on startup.

Version-Release number of selected component (if applicable):

system-config-kickstart-2.7.13-1
pykickstart-1.22-1


How reproducible:
always

Steps to Reproduce:
1. system-config-kickstart
2. wait for repositories (here may be another bug)

  
Actual results:
traceback and exit

Expected results:
work w/o traceback

Additional info:

traceback
Component: system-config-kickstart
Summary: TBae86c3ff partition.py:281:applyKickstart:AttributeError: F9_ZeroMbr 
instance has no attribute 'zerombr'

Traceback (most recent call last):
  File "/usr/bin/system-config-kickstart", line 83, in <module>
    kickstartGui.kickstartGui(file)
  File "/usr/share/system-config-kickstart/kickstartGui.py", line 180, in 
__init__
    self.applyKickstart()
  File "/usr/share/system-config-kickstart/kickstartGui.py", line 333, in 
applyKickstart
    self.partition_class.applyKickstart()
  File "/usr/share/system-config-kickstart/partition.py", line 281, in 
applyKickstart
    if self.ks.zerombr.zerombr:
AttributeError: F9_ZeroMbr instance has no attribute 'zerombr'

Local variables in innermost frame:
self: <partition.partition instance at 0x99dfacc>


P.S. it may be a typo in 
/usr/share/system-config-kickstart/partition.py +281
zerombr.zerombr