'Return a Zone instance.
:param zone_id: ID of the required zone
:type  zone_id: ``str``
:rtype: :class:`Zone`'

def get_zone(self, zone_id):

    action = '/v1/Network/DNS/Zone/details'
    data = json.dumps({'params': {'id': zone_id}})
    try:
        response = self.connection.request(action=action, method='POST', data=data)
    except APIException:
        e = sys.exc_info()[1]
        if (e.error_class == 'LW::Exception::RecordNotFound'):
            raise ZoneDoesNotExistError(zone_id=zone_id, value=e.value, driver=self)
        else:
            raise e
    zone = self._to_zone(response.objects[0])
    return zone
