class_docstr: Legacy env that implicitly implements the old API as a protocol.
class_docstr_tok: ["Legacy","env","that","implicitly","implements","the","old","API","as","a","protocol","."]
code: def close(self):
      pass
  
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 5 for calling the LegacyEnvImplicit obj's underlying member method code with example usage: obj.close() without return types