def __next__(self):
        raise NotImplementedError
Get AMQP Message attribute: correlation_id.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/core/serializers/base.py/Deserializer.__next__--crossover with--dataset/ETHPy150Open eandersson/amqpstorm/amqpstorm/message.py/Message.correlation_id