code: def __init__(self, config):
      self.zeros = np.zeros((84, 84, 4))
      self.action_space = Discrete(2)
      self.observation_space = Box(
          0.0, 1.0, shape=(84, 84, 4), dtype=np.float32
      )
      self.i = 0
  
file_path: ray/rllib/examples/env/fast_image_env.py
imports: import gymnasium
  from gymnasium.spaces import Box, Discrete
  import numpy
label_desc: Use image node_id 1 to create a new FastImageEnv object from inherited base classes: gym with example: obj = FastImageEnv(config)