code: def test_set_hard_to_copyables():
      import threading
  
      with dask.config.set(x=threading.Lock()):
          with dask.config.set(y=1):
              pass
  
imports: from __future__ import annotations
  import os
  import site
  import stat
  import sys
  from collections import OrderedDict
  from contextlib import contextmanager
  import pytest
  import yaml
  import dask.config
  from dask.config import _get_paths, canonical_name, collect, collect_env, collect_yaml, config, deserialize, ensure_file, expand_environment_variables, get, merge, pop, refresh, rename, serialize, update, update_defaults
  from dask.utils import tmpfile
label_desc: Use image node_id 23 for calling a global function with example usage: test_set_hard_to_copyables() without return types