def get_optional_params(self):
        options = {}
        for option in self.option_keys:
            if self.extra and self.extra in option:
                options[option] = self.extra[option]
        return options
dataset/ETHPy150Open apache/libcloud/libcloud/loadbalancer/drivers/slb.py/SLBLoadBalancerListener.get_optional_params/swapped operands of `in`