def stop_client(self, host, pid):
        self.stop_clients[(host, pid)] = None
        return True  # USE THIS AS DEFAULT XMLRPC RETURN VALUE
Returns true if pending_registration has surpassed its pending time.
dataset/ETHPy150Open cjlee112/pygr/pygr/coordinator.py/Coordinator.stop_client--crossover with--dataset/ETHPy150Open CenterForOpenScience/osf.io/scripts/approve_registrations.py/should_be_approved