def combiner_final(self):
        raise NotImplementedError
Include any default options that all commands should accept here
dataset/ETHPy150Open Yelp/mrjob/mrjob/job.py/MRJob.combiner_final--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/core/management/base.py/handle_default_options