def store_exc_info(self, **kwargs):
        self.exc_info = sys.exc_info()
Convert a BatchList object into format required for Layer1.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/test/client.py/Client.store_exc_info--crossover with--dataset/ETHPy150Open darcyliu/storyboard/boto/dynamodb/batch.py/BatchList.to_dict