code: def test_different_degree_sequences1(self):
      G1 = nx.Graph([(0, 1), (0, 2), (1, 2), (1, 3), (0, 4)])
      G2 = nx.Graph([(0, 1), (0, 2), (1, 2), (1, 3), (0, 4), (2, 5)])
      assert not vf2pp_is_isomorphic(G1, G2)
  
      G2.remove_node(3)
      nx.set_node_attributes(
          G1, dict(zip(G1, it.cycle(["a"]))), "label"
      )
      nx.set_node_attributes(G2, dict(zip(G2, it.cycle("a"))), "label")
  
      assert vf2pp_is_isomorphic(G1, G2)
  
imports: import itertools
  import pytest
  import networkx
  from networkx import vf2pp_is_isomorphic, vf2pp_isomorphism
label_desc: Use image node_id 6 for calling the TestPreCheck obj's underlying member method code with example usage: obj.test_different_degree_sequences1() without return types