code: def test_set_to_networkx(self, space, points):
      nx_objects = space.set_to_networkx(points)
  
      if type(nx_objects) is list:
          self.assertTrue(nx_objects[0], nx.classes.graph.Graph)
      else:
          self.assertTrue(nx_objects, nx.classes.graph.Graph)
  
imports: import networkx
  import pytest
  import geomstats.backend
  from geomstats.test.parametrizers import DataBasedParametrizer
  from geomstats.test.test_case import TestCase
  from geomstats.test_cases.geometry.stratified.point_set import PointSetMetricTestCase, PointSetTestCase, PointTestCase
  from .data.graph_space import AlignerTestData, DecoratorsTestData, GraphSpaceMetricTestData, GraphSpaceTestData, GraphTestData, PointToGeodesicAlignerTestData
label_desc: Use image node_id 4 for calling the TestGraphSpace obj's underlying member method code with example usage: obj.test_set_to_networkx(space, points) without return types