Traceback (most recent call last):
  File "/usr/bin/designate-manage", line 6, in <module>
    from designate.cmd.manage import main
  File "/var/lib/designate/designate/__init__.py", line 31, in <module>
    import oslo_messaging as messaging
  File "/usr/lib/python2.6/site-packages/oslo_messaging/__init__.py", line 18, in <module>
    from .notify import *
  File "/usr/lib/python2.6/site-packages/oslo_messaging/notify/__init__.py", line 26, in <module>
    from .listener import *
  File "/usr/lib/python2.6/site-packages/oslo_messaging/notify/listener.py", line 107, in <module>
    from oslo_messaging import server as msg_server
  File "/usr/lib/python2.6/site-packages/oslo_messaging/server.py", line 184
    self._states = {task: _OrderedTask(task) for task in self._tasks}
                                               ^
SyntaxError: invalid syntax