The example code of PPO2 at baselines/baselines/ppo2/run_mujoco.py attempts to import VecNormalize and DummyVecEnv:
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from baselines.common.vec_env.vec_normalize import VecNormalize
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from baselines.common.vec_env.dummy_vec_env import DummyVecEnv
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However, these modules are nowhere to be found in vec_env
Similarly, baselines/ppo2/run_atari.py attempts to import VecFrameStack, which does not exist:
baselines/ppo2/run_atari.py: from baselines.common.vec_env.vec_frame_stack import VecFrameStack
oops, should be fixed now
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oops, should be fixed now