salt: salt fails on startup with transport: raet

2015-07-30 02:18:40,318 [salt.log.setup                           ][ERROR   ][4964] An un-handled exception was caught by salt's global exception handler:
TypeError: decode() takes no keyword arguments
Traceback (most recent call last):
  File "/usr/bin/salt-master", line 10, in <module>
    salt_master()
  File "/usr/lib/python2.6/site-packages/salt/scripts.py", line 50, in salt_master
    master.start()
  File "/usr/lib/python2.6/site-packages/salt/cli/daemons.py", line 152, in start
    self.master.start()
  File "/usr/lib/python2.6/site-packages/salt/daemons/flo/__init__.py", line 96, in start
    consolepath=consolepath,
  File "/usr/lib/python2.6/site-packages/ioflo/app/run.py", line 137, in run
    skedder.run()
  File "/usr/lib/python2.6/site-packages/ioflo/base/skedding.py", line 273, in run
    status = tasker.runner.send(tasker.desire)
  File "/usr/lib/python2.6/site-packages/ioflo/base/framing.py", line 630, in makeRunner
    self.enterAll() #activates, resets .done state also .desire may change here
  File "/usr/lib/python2.6/site-packages/ioflo/base/framing.py", line 411, in enterAll
    self.enter(self.actives)
  File "/usr/lib/python2.6/site-packages/ioflo/base/framing.py", line 423, in enter
    frame.enter()
  File "/usr/lib/python2.6/site-packages/ioflo/base/framing.py", line 1244, in enter
    act() #call entryAction
  File "/usr/lib/python2.6/site-packages/ioflo/base/acting.py", line 99, in __call__
    return (self.actor(**self.parms))
  File "/usr/lib/python2.6/site-packages/ioflo/base/acting.py", line 524, in __call__
    return self.action(**kwa)
  File "/usr/lib/python2.6/site-packages/salt/daemons/flo/core.py", line 175, in action
    stackname=name)
  File "/usr/lib/python2.6/site-packages/salt/daemons/salting.py", line 62, in __init__
    self.saltRaetKey = RaetKey(opts)
  File "/usr/lib/python2.6/site-packages/salt/key.py", line 891, in __init__
    Key.__init__(self, opts)
  File "/usr/lib/python2.6/site-packages/salt/key.py", line 453, in __init__
    listen=False)
  File "/usr/lib/python2.6/site-packages/salt/utils/event.py", line 119, in get_event
    opts=opts)
  File "/usr/lib/python2.6/site-packages/salt/utils/raetevent.py", line 47, in __init__
    self.__prep_stack()
  File "/usr/lib/python2.6/site-packages/salt/utils/raetevent.py", line 57, in __prep_stack
    self.stack = transport.jobber_stack = self._setup_stack(ryn=self.ryn)
  File "/usr/lib/python2.6/site-packages/salt/utils/raetevent.py", line 94, in _setup_stack
    name = 'event' + nacling.uuid(size=18)
  File "/usr/lib/python2.6/site-packages/raet/nacling.py", line 576, in uuid
    return ((front + back)[:size]).decode(encoding='ISO-8859-1')
TypeError: decode() takes no keyword arguments