code: def _pytest_mark():
      import pytest
  
      return pytest.mark.skipif(
          _skip_testing_data(), reason="Requires testing dataset"
      )
  
file_path: mne-python/mne/datasets/testing/_testing.py
imports: from functools import partial
  from ...utils import get_config, verbose
  from ..utils import _data_path_doc, _download_mne_dataset, _get_version, _version_doc, has_dataset
label_desc: Use image node_id 6 for calling a global function with example usage: _pytest_mark() and returns: pytest