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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _initial_broks(self, broker_name):
 """Get initial_broks from the scheduler This is used by the brokers to prepare the initial status broks This do not send broks, it only makes scheduler internal processing. Then the broker must use the *_broks* API to get all the stuff :param broker_name: broker name, used to filter broks :type broker_name: str :return: None """

        with self.app.conf_lock:
            logger.info("A new broker just connected : %s", broker_name)
            return self.app.sched.fill_initial_broks(broker_name)