def process_entire_queue(self):
        while self.show_hide_queue:
            self._dequeue()
L{writeFailure} returns C{None}.
dataset/ETHPy150Open traverseda/pycraft/pycraft/world.py/World.process_entire_queue--crossover with--dataset/ETHPy150Open ClusterHQ/eliot/eliot/tests/test_traceback.py/TracebackLoggingTests.test_writeFailureResult