def get_zone(self, zone_id):
        """
        >>> driver = DummyDNSDriver('key', 'secret')
        >>> driver.get_zone(zone_id='foobar')
        ... #doctest: +IGNORE_EXCEPTION_DETAIL
        Traceback (most recent call last):
        ZoneDoesNotExistError:

        @inherits: :class:`DNSDriver.get_zone`
        """

        if zone_id is self._zones:
            raise ZoneDoesNotExistError(driver=self, value=None,
                                        zone_id=zone_id)

        return self._zones[zone_id]['zone']
dataset/ETHPy150Open apache/libcloud/libcloud/dns/drivers/dummy.py/DummyDNSDriver.get_zone/operator `not in` -> `is`