Description of problem:
1. dnf install squid
2. dnf history undo last

Version-Release number of selected component:
dnf-0.2.21-1.git050524e.fc18

Additional info:
cmdline:        /usr/bin/python /bin/dnf history undo last
executable:     /bin/dnf
kernel:         3.7.8-202.fc18.x86_64
uid:            0

Truncated backtrace:
__init__.py:2760:history_undo:TypeError: remove() got an unexpected keyword argument 'pkgtup'

Traceback (most recent call last):
  File "/bin/dnf", line 35, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python2.7/site-packages/dnf/cli/main.py", line 305, in user_main
    errcode = main(args)
  File "/usr/lib/python2.7/site-packages/dnf/cli/main.py", line 133, in main
    result, resultmsgs = cli.do_commands()
  File "/usr/lib/python2.7/site-packages/dnf/cli/cli.py", line 1468, in do_commands
    return command.doCommand(self.base.basecmd, self.base.extcmds)
  File "/usr/lib/python2.7/site-packages/dnf/cli/commands.py", line 2271, in doCommand
    ret = self._hcmd_undo(extcmds)
  File "/usr/lib/python2.7/site-packages/dnf/cli/commands.py", line 2137, in _hcmd_undo
    if self.base.history_undo(old):
  File "/usr/lib/python2.7/site-packages/dnf/yum/__init__.py", line 2760, in history_undo
    if self.remove(pkgtup=pkg.pkgtup):
TypeError: remove() got an unexpected keyword argument 'pkgtup'

Local variables in innermost frame:
self: <dnf.cli.cli.YumBaseCli object at 0x1159e50>
transaction: <dnf.yum.history.YumHistoryTransaction instance at 0x1194e18>
done: False
pkg: <YumHistoryPackageState : libecap-0.2.0-4.fc18.x86_64 (0x1193390)>
old_conf_obs: True