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1import gymnasium as gym
2from stable_baselines3 import PPO
3from stable_baselines3.common.env_util import make_vec_env
4from stable_baselines3.common.vec_env import VecNormalize
5
6# Load the environment
7env = make_vec_env("LunarLander-v3", n_envs=1)
8env = VecNormalize.load("vec_normalize.pkl", env)
9env.training = False
10env.norm_reward = False
11
12# Load the model
13model = PPO.load("ppo_lunar_optimized", env=env)