code: def test_slice(self):
      assert type(self.pts[:2]) is GeoSeries
      assert type(self.pts[::2]) is GeoSeries
      assert type(self.polys[:2]) is GeoSeries
  
imports: from pandas import DataFrame, Series
  from shapely.geometry import Point
  from geopandas import GeoDataFrame, GeoSeries
label_desc: Use image node_id 2 for calling the TestSeries obj's underlying member method code with example usage: obj.test_slice() without return types