def METHOD_NAME(self):
    self._check_status(self.Status.CREATED, self.Status.INITED)
    if self.status_ == self.Status.CREATED:
        config_proto_str = text_format.MessageToString(self.config_proto)
        self._session_ctx.try_init(config_proto_str)
        self.status_ = self.Status.INITED