def localObjectForID(self, luid):
        lob = self.localObjects.get(luid)
        if lob is None:
            return
        return lob.object
Check that get_choices and get_flatchoices interact with
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/spread/pb.py/Broker.localObjectForID--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/tests/regressiontests/model_fields/tests.py/ChoicesTests.test_choices_and_field_display