Traceback (most recent call last):
  File "app.py", line 128, in main
    k.run()
  File "app.py", line 216, in run
    self.virt()
  File "app.py", line 377, in virt
    return self.net_install(after_download)
  File "app.py", line 336, in net_install
    after_download(self, profile_data)
  File "app.py", line 375, in after_download
    self.virt_net_install(profile_data)
  File "app.py", line 710, in virt_net_install
    special_disk  =  special
  File "/cg/koan/koan/qcreate.py", line 81, in start_install
    guest.set_extra_args(extra)
AttributeError: 'FullVirtGuest' object has no attribute 'set_extra_args'