def de_queue_an_item(self):
        value = None

        if not self.is_empty():
            value = self.process_able_keys_queue.get()
            self.de_queue_counter += 1

        return value
Test that all methods of middleware are called for TemplateResponses in
dataset/ETHPy150Open quid/s3concurrent/s3concurrent/s3concurrent.py/ProcessKeyQueue.de_queue_an_item--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/tests/regressiontests/utils/decorators.py/DecoratorFromMiddlewareTests.test_full_dec_templateresponse