code: def test_dangling_scipy_pagerank(self):
      pr = _pagerank_scipy(self.G, dangling=self.dangling_edges)
      for n in self.G:
          assert pr[n] == pytest.approx(
              self.G.dangling_pagerank[n], abs=1e-4
          )
  
imports: import random
  import pytest
  import networkx
  from networkx.classes.tests import dispatch_interface
  from networkx.algorithms.link_analysis.pagerank_alg import _pagerank_numpy, _pagerank_python, _pagerank_scipy
label_desc: Use image node_id 3 for calling the TestPageRankScipy obj's underlying member method code with example usage: obj.test_dangling_scipy_pagerank() without return types