code: def test_faster_could_be_isomorphic(self):
      assert iso.faster_could_be_isomorphic(self.G3, self.G2)
      assert not iso.faster_could_be_isomorphic(self.G3, self.G5)
      assert not iso.faster_could_be_isomorphic(self.G1, self.G6)
  
file_path: networkx/networkx/algorithms/isomorphism/tests/test_isomorphism.py
imports: import pytest
  import networkx
  from networkx.algorithms import isomorphism
label_desc: Use image node_id 4 for calling the TestIsomorph obj's underlying member method code with example usage: obj.test_faster_could_be_isomorphic() without return types