def popleft(self, blocking = False, timeout = -1):
        if len(self) == 0 and blocking:
            self.channel.receive(timeout)
        return collections.deque.popleft(self)
Return the appropriate interger value. If a non-integer is
dataset/ETHPy150Open concurrence/concurrence/lib/concurrence/core.py/Deque.popleft--crossover with--dataset/ETHPy150Open ansible/tower-cli/lib/tower_cli/utils/types.py/Related.convert