code: def test_unflatten_list_dict_output_type(self):
      in_ = OrderedDict({"a/0": 0, "a/1": 1, "c/d": 2, "e": 3})
      out = unflatten_list_dict(in_)
      assert type(out) is OrderedDict
  
      in_ = OrderedDict({"0/a": 0, "1/b": 1, "2/c": 2, "3/d": 3})
      out = unflatten_list_dict(in_)
      assert type(out) is list
  
imports: import copy
  from collections import OrderedDict
  import pytest
  import sys
  import unittest
  from unittest.mock import patch
  from ray.tune.utils.util import wait_for_gpu
  from ray.tune.utils.util import flatten_dict, unflatten_dict, unflatten_list_dict
label_desc: Use image node_id 4 for calling the UnflattenDictTest obj's underlying member method code with example usage: obj.test_unflatten_list_dict_output_type() without return types