code: def test_select_all_query_with_empty_result_should_return_empty_dataframe():
      geocoder = geodata.geocode_counties().scope("vatican")
  
      geocodes = geocoder.get_geocodes()
      assert 0 == len(geocodes)
  
      centroids = geocoder.get_centroids()
      assert 0 == len(centroids)
  
imports: import pytest
  from shapely.geometry import Point, box
  import lets_plot.geo_data
  from lets_plot.geo_data import DF_COLUMN_FOUND_NAME, DF_COLUMN_ID, DF_COLUMN_COUNTRY, DF_COLUMN_STATE, DF_COLUMN_COUNTY, DF_COLUMN_CENTROID, DF_COLUMN_POSITION, DF_COLUMN_LIMIT
  from geo_data_test_util import assert_row, assert_error, NO_COLUMN, COLUMN_NAME_CITY
  from test_integration_with_geocoding_serever import TURN_OFF_INTERACTION_TEST
label_desc: Use image node_id 25 for calling a global function with example usage: test_select_all_query_with_empty_result_should_return_empty_dataframe() without return types