code: def test_airports() -> None:
      import bokeh.sampledata.airport_routes as bsa
  
      assert isinstance(bsa.airports, pd.DataFrame)
  
imports: from __future__ import annotations
  import pytest
  import pandas
  from tests.support.util.api import verify_all
label_desc: Use image node_id 1 for calling a global function with example usage: test_airports() without return types