text: from stable_baselines.deepq_poher.policies import MlpPolicy, CnnPolicy, LnMlpPolicy, LnCnnPolicy
  from stable_baselines.deepq_poher.build_graph import build_act, build_train  # noqa
  from stable_baselines.deepq_poher.dqn import DQNPOHER
  from stable_baselines.common.buffers import ReplayBuffer, PrioritizedReplayBuffer  # noqa
  
  
  def wrap_atari_dqn(env):
      """
      wrap the environment in atari wrappers for DQN
  
      :param env: (Gym Environment) the environment
      :return: (Gym Environment) the wrapped environment
      """
      from stable_baselines.common.atari_wrappers import wrap_deepmind
      return wrap_deepmind(env, frame_stack=True, scale=False)
  