code: def test_copy_paths_errors(tmp_dir, scm, dvc, mocker):
      stage = dvc.stage.add(
          cmd="echo foo",
          name="foo",
      )
      scm.add_commit(["dvc.yaml"], message="add dvc.yaml")
  
      with pytest.raises(DvcException, match="Unable to copy"):
          dvc.experiments.run(
              stage.addressing, tmp_dir=True, copy_paths=["foo"]
          )
  
      (tmp_dir / "foo").write_text("foo")
      mocker.patch("shutil.copy", side_effect=OSError)
  
      with pytest.raises(DvcException, match="Unable to copy"):
          dvc.experiments.run(
              stage.addressing, tmp_dir=True, copy_paths=["foo"]
          )
  
imports: import itertools
  import logging
  import os
  import stat
  from textwrap import dedent
  import pytest
  from configobj import ConfigObj
  from funcy import first
  from dvc.dvcfile import PROJECT_FILE
  from dvc.env import DVC_EXP_BASELINE_REV, DVC_EXP_NAME, DVC_ROOT, DVC_STUDIO_OFFLINE, DVC_STUDIO_REPO_URL, DVC_STUDIO_TOKEN, DVC_STUDIO_URL
  from dvc.exceptions import DvcException, ReproductionError
  from dvc.repo.experiments.exceptions import ExperimentExistsError
  from dvc.repo.experiments.queue.base import BaseStashQueue
  from dvc.repo.experiments.refs import CELERY_STASH
  from dvc.repo.experiments.utils import exp_refs_by_rev
  from dvc.scm import SCMError, resolve_rev
  from dvc.stage.exceptions import StageFileDoesNotExistError
  from dvc.testing.scripts import COPY_SCRIPT
  from dvc.utils.serialize import PythonFileCorruptedError
label_desc: Use image node_id 30 for calling a global function with example usage: test_copy_paths_errors(tmp_dir, scm, dvc, mocker) without return types