I upgraded a rh7 boxes rpm, rpm-devel, popt, python, python-xmlrpc,
rpm-build, up2date, rhn_register to the versions in rc2
I then altered the files in /etc/sysconfig/rhn/{rhn_register,up2date}
and set the server to point to the beta up2date server (I wanted to test some of
the packages on a rh7 box without upgrading the whole thing). Running
rhn_register, after I entered my beta login name and beta password,
and email address, I pressed next (tui) and rhn_register exited with:
Traceback (innermost last):
  File "/usr/sbin/rhn_register", line 108, in ?
    main()
  File "/usr/sbin/rhn_register", line 100, in main
    tui.main()
  File "/usr/share/rhn/register/tui.py", line 1033, in main
    tui.run()
  File "/usr/share/rhn/register/tui.py", line 982, in run
    win = self.windows[index](self.screen, self)
  File "/usr/share/rhn/register/tui.py", line 422, in __init__
    self.emailContactButton.setValue("*")
AttributeError: setValue