def until_not(self, method, message=''):
        end_time = time.time() + self._timeout
        while True:
            try:
                value = method(self._driver)
                if not value:
                    return value
            except self._ignored_exceptions:
                return True
            time.sleep(self._poll)
            if time.time() > end_time:
                break
        raise TimeoutException(message)
Creates one or more listeners on a load balancer for the specified port
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/selenium/webdriver/support/wait.py/WebDriverWait.until_not--crossover with--dataset/ETHPy150Open apache/libcloud/libcloud/loadbalancer/drivers/elb.py/ElasticLBDriver.ex_create_balancer_listeners