def unmonitor_instances(self, instance_ids):
        params = {}
        self.build_list_params(params, instance_ids, 'InstanceId')
        return self.get_list('UnmonitorInstances', params,
                             [('item', InstanceInfo)], verb='POST')
Returns the time at which the job arrived at the scheduler.
dataset/ETHPy150Open darcyliu/storyboard/boto/ec2/connection.py/EC2Connection.unmonitor_instances--crossover with--dataset/ETHPy150Open radlab/sparrow/src/main/python/parse_logs.py/Request.arrival_time