            self.u_env = make_gym_venv(name=self.name, num_envs=self.num_envs, seed=seed, frame_op=self.frame_op, frame_op_len=self.frame_op_len, image_downsize=self.image_downsize, reward_scale=self.reward_scale, normalize_state=self.normalize_state, episode_life=episode_life)
