def __del__(self):
        try:
            self.connection.close()
        except AttributeError:
            pass
Hashes the contents of an LR envelope in the following manner:
dataset/ETHPy150Open BrightcoveOS/Diamond/src/diamond/handler/rabbitmq_topic.py/rmqHandler.__del__--crossover with--dataset/ETHPy150Open jimklo/LRSignature/src/LRSignature/sign/Sign.py/Sign_0_21.get_message