code: def test_weights_only(self):
      assert nx.is_isomorphic(self.g1, self.g2, edge_match=self.em)
  
imports: import math
  from operator import eq
  import networkx
  import networkx.algorithms.isomorphism
label_desc: Use image node_id 3 for calling the TestEdgeMatch_MultiGraph obj's underlying member method code with example usage: obj.test_weights_only() without return types