code: def lounge_update_license(self):
          
          schema = UpgradeSchema()
          resp = self.service.post(self.base+'license/')
          return self.service.decode(schema, resp)
docs: Download & install a license for your CDRouter system from the
          CDRouter Support Lounge.
  
          :return: :class:`system.Upgrade <system.Upgrade>` object
          :rtype: system.Upgrade