code: def test_implicit():
      old_env = LegacyEnvImplicit()
      if sys.version_info >= (3, 7):
          # We need to give up on typing in Python 3.6
          assert isinstance(old_env, LegacyEnv)
      env = EnvCompatibility(old_env, render_mode="rgb_array")
      assert env.observation_space == Discrete(1)
      assert env.action_space == Discrete(1)
      assert env.reset() == (0, {})
      assert env.reset(seed=0, options={"some": "option"}) == (0, {})
      assert env.step(0) == (0, 0, False, False, {})
      assert env.render().shape == (1, 1, 3)
      env.close()
  
imports: import sys
  from typing import Any, Dict, Optional, Tuple
  import numpy
  import gym
  from gym.spaces import Discrete
  from gym.wrappers.compatibility import EnvCompatibility, LegacyEnv
label_desc: Use image node_id 2 for calling a global function with example usage: test_implicit() without return types