code: def test_experiment_no_commit(tmp_dir):
      from scmrepo.git import Git
  
      from dvc.repo import Repo
  
      Git.init(tmp_dir.fs_path).close()
  
      repo = Repo.init()
      assert repo.scm.no_commits
  
      try:
          with pytest.raises(SCMError):  # noqa: PT011
              repo.experiments.ls()
      finally:
          repo.close()
  
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 26 for calling a global function with example usage: test_experiment_no_commit(tmp_dir) without return types