docstr: Gym environment for testing that terminal observation is inserted
  correctly.
docstr_tok: ["Gym","environment","for","testing","that","terminal","observation","is","inserted","correctly","."]
code: def __init__(self, max_steps):
      """Gym environment for testing that terminal observation is inserted
      correctly."""
      self.action_space = gym.spaces.Discrete(2)
      self.observation_space = gym.spaces.Box(
          np.array([0]), np.array([999]), dtype="int"
      )
      self.max_steps = max_steps
      self.current_step = 0
  
imports: import collections
  import functools
  import itertools
  import multiprocessing
  import pytest
  import gym
  import numpy
  from stable_baselines.common.vec_env import DummyVecEnv, SubprocVecEnv, VecNormalize, VecFrameStack
label_desc: Use image node_id 1 to create a new StepEnv object from inherited base classes: gym with example: obj = StepEnv(max_steps)