parameters: (self, env, k)
docstring: Stack k last frames.
          Returns lazy array, which is much more memory efficient.
          See Also
          --------
          baselines.common.atari_wrappers.LazyFrames
docstring_summary: Stack k last frames.
          Returns lazy array, which is much more memory efficient.
          See Also
          --------
          baselines.common.atari_wrappers.LazyFrames
docstring_tokens: Stack k last frames . Returns lazy array which is much more memory efficient . See Also -------- baselines . common . atari_wrappers . LazyFrames
function: def __init__(self, env, k):
          """Stack k last frames.
          Returns lazy array, which is much more memory efficient.
          See Also
          --------
          baselines.common.atari_wrappers.LazyFrames
          """
          gym.Wrapper.__init__(self, env)
          self.k = k
          self.frames = deque([], maxlen=k)
          shp = env.observation_space.shape
          self.observation_space = spaces.Box(low=0, high=255, shape=(shp[0], shp[1], shp[2] * k))
function_tokens: def __init__ ( self , env , k ) : gym . Wrapper . __init__ ( self , env ) self . k = k self . frames = deque ( [ ] , maxlen = k ) shp = env . observation_space . shape self . observation_space = spaces . Box ( low = 0 , high = 255 , shape = ( shp [ 0 ] , shp [ 1 ] , shp [ 2 ] * k ) )