code: def test_dict_space(self):
      env = gym.make("CartPole-v1")
      space = gym.spaces.Dict(
          spaces={
              "obs": env.observation_space,
              "action": env.action_space,
          }
      )
      d = gym_space_to_dict(space)
      sp = gym_space_from_dict(d)
  
      _assert_array_equal(
          self.assertAlmostEqual,
          sp.spaces["obs"].low.tolist(),
          space.spaces["obs"].low.tolist(),
          0.001,
      )
      _assert_array_equal(
          self.assertAlmostEqual,
          sp.spaces["obs"].high.tolist(),
          space.spaces["obs"].high.tolist(),
          0.001,
      )
      _assert_array_equal(
          self.assertEqual,
          sp.spaces["obs"]._shape,
          space.spaces["obs"]._shape,
      )
      self.assertEqual(sp.dtype, space.dtype)
  
      self.assertEqual(sp.spaces["action"].n, space.spaces["action"].n)
  
imports: import unittest
  from collections import OrderedDict
  import gymnasium
  import numpy
  from ray.rllib.utils.serialization import convert_numpy_to_python_primitives, gym_space_from_dict, gym_space_to_dict, space_from_dict, space_to_dict
  from ray.rllib.utils.spaces.flexdict import FlexDict
  from ray.rllib.utils.spaces.repeated import Repeated
  from ray.rllib.utils.spaces.simplex import Simplex
label_desc: Use image node_id 6 for calling the TestGymCheckEnv obj's underlying member method code with example usage: obj.test_dict_space() without return types