Following the Yocto provided bitbake example:
http://www.yoctoproject.org/docs/1.7/bitbake-user-manual/bitbake-user-manual.html#obtaining-bitbake

The final step shows correct output, but instead my results are:

Parsing recipes: 100% |###########################################################################################| Time: 00:00:00
Parsing of 1 .bb files complete (0 cached, 1 parsed). 1 targets, 0 skipped, 0 masked, 0 errors.
NOTE: Resolving any missing task queue dependencies
NOTE: Preparing RunQueue
ERROR: An uncaught exception occured in runqueue, please see the failure below:
ERROR: Running idle function
Traceback (most recent call last):
  File "/home/aluft/bitbake/bitbake/lib/bb/cooker.py", line 1326, in buildTargetsIdle(server=<ProcessServer(ProcessServer-1, started)>, rq=<bb.runqueue.RunQueue instance at 0x2d824d0>, abort=False):
                 try:
    >                retval = rq.execute_runqueue()
                 except runqueue.TaskFailure as exc:
  File "/home/aluft/bitbake/bitbake/lib/bb/runqueue.py", line 1094, in RunQueue.execute_runqueue():
             try:
    >            return self._execute_runqueue()
             except bb.runqueue.TaskFailure:
  File "/home/aluft/bitbake/bitbake/lib/bb/runqueue.py", line 1049, in RunQueue._execute_runqueue():
                 else:
    >                self.start_worker()
                     self.rqexe = RunQueueExecuteScenequeue(self)
  File "/home/aluft/bitbake/bitbake/lib/bb/runqueue.py", line 920, in RunQueue.start_worker():
             self.teardown = False
    >        self.worker, self.workerpipe = self._start_worker()
     
  File "/home/aluft/bitbake/bitbake/lib/bb/runqueue.py", line 882, in RunQueue._start_worker(fakeroot=False, rqexec=None):
                 "fakerootnoenv" : self.rqdata.dataCache.fakerootnoenv,
    >            "sigdata" : bb.parse.siggen.get_taskdata(),
                 "runq_hash" : self.rqdata.runq_hash,
AttributeError: 'SignatureGenerator' object has no attribute 'get_taskdata'