def METHOD_NAME(self, container):
    try:
        name = self.requests.get()
        while name is not None:
            elapsed = time.time()
            retries = self.launch(container, name)
            elapsed = time.time() - elapsed
            self.results.put((container, name, elapsed, retries))
            name = self.requests.get()
    except KeyboardInterrupt:
        pass