code: def test_find_alternating_4_cycle(self):
      G = nx.Graph()
      G.add_edge(1, 2)
      assert not nxt.find_alternating_4_cycle(G)
  
imports: import pytest
  import networkx
  import networkx.algorithms.threshold
  from networkx.algorithms.isomorphism.isomorph import graph_could_be_isomorphic
label_desc: Use image node_id 7 for calling the TestGeneratorThreshold obj's underlying member method code with example usage: obj.test_find_alternating_4_cycle() without return types