code: def try_import_open_spiel(error: bool = False):
      """Tries importing open_spiel and returns the module (or None).
  
      Args:
          error: Whether to raise an error if open_spiel cannot be imported.
  
      Returns:
          The open_spiel module.
  
      Raises:
          ImportError: If error=True and open_spiel is not installed.
      """
      try:
          import open_spiel
  
          return open_spiel
      except ImportError:
          if error:
              raise ImportError(
                  "Could not import open_spiel! open_spiel is not a dependency of RLlib "
                  "and RLlib requires you to install open_spiel separately: "
                  "`pip install open_spiel`."
              )
          return None
  
imports: import logging
  from typing import List, Optional, Type, Union
  import gymnasium
  import numpy
  import tree
  from ray.rllib.env.env_context import EnvContext
  from ray.rllib.env.multi_agent_env import MultiAgentEnv
  from ray.rllib.env.wrappers.multi_agent_env_compatibility import MultiAgentEnvCompatibility
  from ray.rllib.utils.error import ERR_MSG_INVALID_ENV_DESCRIPTOR, ERR_MSG_OLD_GYM_API, EnvError
  from ray.rllib.utils.gym import check_old_gym_env
  from ray.rllib.utils.numpy import one_hot, one_hot_multidiscrete
  from ray.rllib.utils.spaces.space_utils import batch, get_dummy_batch_for_space, get_base_struct_from_space
  from ray.util import log_once
  from ray.util.annotations import PublicAPI
label_desc: Use image node_id 2 for calling a global function with example usage: try_import_open_spiel(error) and returns: open_spiel, None