code: def naturalearth_lowres() -> str:
      # skip if data missing, unless on github actions
      if os.path.isfile(_NATURALEARTH_LOWRES) or os.getenv(
          "GITHUB_ACTIONS"
      ):
          return _NATURALEARTH_LOWRES
      else:
          pytest.skip("Naturalearth lowres dataset not found")
  
file_path: geopandas/geopandas/conftest.py
imports: import os.path
  import pytest
  import geopandas
  from geopandas.tests.util import _NYBB, _NATURALEARTH_LOWRES, _NATURALEARTH_CITIES
label_desc: Use image node_id 2 for calling a global function with example usage: naturalearth_lowres() and returns: _NATURALEARTH_LOWRES