def truncate(self, first, last):
        self.mString = self.mString[first:last]
Redeliver unacknowledged messages (async)
dataset/ETHPy150Open CGATOxford/cgat/CGAT/Mali.py/AlignedString.truncate--crossover with--dataset/ETHPy150Open veegee/amqpy/amqpy/channel.py/Channel.basic_recover_async