def empty(self):
        self.mutex.acquire()
        n = self._empty()
        self.mutex.release()
        return n
Publish the given traceback directly to Exceptional. This method is
dataset/ETHPy150Open babble/babble/include/jython/Lib/Queue.py/Queue.empty--crossover with--dataset/ETHPy150Open jzempel/flask-exceptional/flask_exceptional.py/Exceptional.publish