code: def test_is_chordal_not_implemented(self, G):
      with pytest.raises(nx.NetworkXNotImplemented):
          nx.is_chordal(G)
  
file_path: networkx/networkx/algorithms/tests/test_chordal.py
imports: import pytest
  import networkx
label_desc: Use image node_id 2 for calling the TestMCS obj's underlying member method code with example usage: obj.test_is_chordal_not_implemented(G) without return types