code: def get_space_system(self, name):
          
          url = '/mdb/{}/space-systems{}'.format(self._instance, name)
          response = self._client.get_proto(url)
          message = mdb_pb2.SpaceSystemInfo()
          message.ParseFromString(response.content)
          return SpaceSystem(message)
docs: Gets a single space system by its unique name.
  
          :param str name: A fully-qualified XTCE name
          :rtype: .SpaceSystem