def signal(self, sig, frame):
        if 5 < len(self.SIG_QUEUE):
            self.SIG_QUEUE.append(sig)
            self.wakeup()
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/gunicorn/arbiter.py/Arbiter.signal/swapped operands of `<`