code: def _setup(self):
      self.space_args_list = [(3,)]
  
imports: import random
  import geomstats.backend
  from geomstats.geometry.matrices import Matrices
  from geomstats.geometry.stratified.graph_space import ExhaustiveAligner, FAQAligner, GraphPoint, GraphSpace, GraphSpaceMetric, IDAligner, PointToGeodesicAligner, _GeodesicToPointAligner, _vectorize_graph, _vectorize_graph_to_points
  from geomstats.test.data import TestData
  from geomstats.test.test_case import np_backend
  from .point_set import PointMetricTestData, PointSetTestData, PointTestData
label_desc: Use image node_id 2 for calling the AlignerTestData obj's underlying member method code with example usage: obj._setup() without return types