code: def test_repeated(self):
      space = Repeated(
          gym.spaces.Box(low=-1, high=1, shape=(1, 200)), max_len=8
      )
  
      d = gym_space_to_dict(space)
      sp = gym_space_from_dict(d)
  
      self.assertTrue(isinstance(sp.child_space, gym.spaces.Box))
      self.assertEqual(space.max_len, sp.max_len)
      self.assertEqual(space.dtype, sp.dtype)
  
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 9 for calling the TestGymCheckEnv obj's underlying member method code with example usage: obj.test_repeated() without return types