code: def test_bandits_observation_space_conversion(self):
      env = InterestEvolutionRecSimEnv({"wrap_for_bandits": True})
      # "item" of observation space is a Box space.
      self.assertIsInstance(
          env.observation_space["item"], gym.spaces.Box
      )
  
file_path: ray/python/ray/rllib/env/wrappers/tests/test_recsim_wrapper.py
imports: import gymnasium
  import unittest
  from ray.rllib.examples.env.recommender_system_envs_with_recsim import InterestEvolutionRecSimEnv
  from ray.rllib.env.wrappers.recsim import MultiDiscreteToDiscreteActionWrapper
  from ray.rllib.utils.error import UnsupportedSpaceException
label_desc: Use image node_id 3 for calling the TestRecSimWrapper obj's underlying member method code with example usage: obj.test_bandits_observation_space_conversion() without return types