def receive_nowait(self):
        try:
            message = self._queue.get_nowait()
        except Queue.Empty:
            message = None
        return message
If the result is an error and wait() was never called, the error will
dataset/ETHPy150Open google/pywebsocket/mod_pywebsocket/msgutil.py/MessageReceiver.receive_nowait--crossover with--dataset/ETHPy150Open itamarst/crochet/crochet/tests/test_api.py/EventualResultTests.test_error_logged_no_wait