def execute(self, arbiter, props):
        if 'name' in props:
            watcher = self._get_watcher(arbiter, props['name'])
            processes = watcher.get_active_processes()
            status = [(p.pid, p.status) for p in processes]
            logger.debug(status % 'here is the status of the processes %s')
            return {"pids":  [p.pid for p in processes]}
        else:
            watchers = sorted(arbiter._watchers_names)
            return {"watchers": [name for name in watchers]}
dataset/ETHPy150Open circus-tent/circus/circus/commands/list.py/List.execute/swapped operands of `%`