code: def test_env_instantiation():
      # This looks like a pretty trivial, but given our usage of
      # __new__, it's worth having.
      env = ArgumentEnv("arg")
      assert env.arg == "arg"
      assert env.calls == 1
  
imports: from typing import Optional
  import numpy
  import pytest
  from gym import core, spaces
  from gym.wrappers import OrderEnforcing, TimeLimit
label_desc: Use image node_id 1 for calling a global function with example usage: test_env_instantiation() without return types