def _load_balance(self):
        balance = self._api.get(self.basepath + '/balance')
        total_usage = 0
        for project in balance['currentUsages']:
            total_usage += project['currentTotal']
        return (total_usage, balance['creditLeft'])
Return whether the policy exists based on rabbitmqctl list_policies.
dataset/ETHPy150Open runabove/python-runabove/runabove/account.py/AccountManager._load_balance--crossover with--dataset/ETHPy150Open saltstack/salt/salt/modules/rabbitmq.py/policy_exists