preupgrade 1.0 failure

[Neal Becker]

preupgrade-1.0.0-1.fc9.noarch

I have / on sw raid0, no separate /boot:

Generating metadata for preupgrade repo
Traceback (most recent call last):
  File "/usr/share/preupgrade/preupgrade-gtk.py", line 237, in on_assistant_apply
    self._do_main()
  File "/usr/share/preupgrade/preupgrade-gtk.py", line 256, in _do_main
    self.main_preupgrade()
  File "/usr/share/preupgrade/preupgrade-gtk.py", line 531, in main_preupgrade
    repopath=preupgrade.bootpath_to_anacondapath(cachedir,UUID=True)
  File "/usr/lib/python2.5/site-packages/preupgrade/__init__.py", line 197, in bootpath_to_anacondapath
    raise PUError, "/boot is on unbootable RAID level '%s'" % raid['level']
preupgrade.PUError: /boot is on unbootable RAID level 'raid0'