code: def test_flowers() -> None:
      import bokeh.sampledata.iris as bsi
  
      assert isinstance(bsi.flowers, pd.DataFrame)
  
      # check detail for package data
      assert len(bsi.flowers) == 150
  
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_flowers() without return types