code: def test_lazy_build(self):
      s = GeoSeries([Point(0, 0)])
      assert s.values._sindex is None
      assert s.sindex.size == 1
      assert s.values._sindex is not None
  
imports: from math import sqrt
  import numpy
  import pandas
  import pytest
  import shapely
  from numpy.testing import assert_array_equal
  from shapely.geometry import GeometryCollection, LineString, MultiPolygon, Point, Polygon, box
  import geopandas
  from geopandas import GeoDataFrame, GeoSeries, read_file
  from geopandas import _compat
label_desc: Use image node_id 7 for calling the TestSeriesSindex obj's underlying member method code with example usage: obj.test_lazy_build() without return types