code: def setup(self, *args):
      world = read_file(_NATURALEARTH_LOWRES)
      capitals = read_file(_NATURALEARTH_CITIES)
      countries = world[["geometry", "name"]]
      countries = countries.to_crs("+init=epsg:3395")[
          countries.name != "Antarctica"
      ]
      capitals = capitals.to_crs("+init=epsg:3395")
      capitals["geometry"] = capitals.buffer(500000)
  
      self.countries = countries
      self.capitals = capitals
  
file_path: geopandas/benchmarks/overlay.py
imports: from geopandas import GeoDataFrame, GeoSeries, read_file, overlay
  import numpy
  from shapely.geometry import Point, Polygon
  from geopandas.tests.util import _NATURALEARTH_LOWRES
  from geopandas.tests.util import _NATURALEARTH_CITIES
label_desc: Use image node_id 1 for calling the Countries obj's underlying member method code with example usage: obj.setup() without return types