code: def test_copy_on_nested_readonly_dict_still_list():
      lst = [1, [2, [3, [4]]]]
      lst = make_read_only(lst)
      copied_l = copy(lst)
      with pytest.raises(SacredError):
          copied_l[1][1].append(5)
  
imports: import json
  import pickle
  import pytest
  from copy import copy, deepcopy
  from sacred.config.custom_containers import make_read_only, ReadOnlyList, ReadOnlyDict
  from sacred.utils import SacredError
label_desc: Use image node_id 18 for calling a global function with example usage: test_copy_on_nested_readonly_dict_still_list() without return types