docstr:         G1                           G2
  x--------------x              x--------------x
  | \            |              | \            |
  |  x-------x   |              |  x-------x   |
  |  |       |   |              |  |       |   |
  |  x-------x   |              |  x-------x   |
  | /            |              |            \ |
  x--------------x              x--------------x
docstr_tok: ["G1","G2","x","--","--","--","--","--","--","--","x","x","--","--","--","--","--","--","--","x","|","\\","|","|","\\","|","|","x","--","--","--","-x","|","|","x","--","--","--","-x","|","|","|","|","|","|","|","|","|","|","x","--","--","--","-x","|","|","x","--","--","--","-x","|","|","\/","|","|","\\","|","x","--","--","--","--","--","--","--","x","x","--","--","--","--","--","--","--","x"]
code: def test_non_isomorphic_same_degree_sequence(self):
      r"""
              G1                           G2
      x--------------x              x--------------x
      | \            |              | \            |
      |  x-------x   |              |  x-------x   |
      |  |       |   |              |  |       |   |
      |  x-------x   |              |  x-------x   |
      | /            |              |            \ |
      x--------------x              x--------------x
      """
      edges1 = [
          (1, 5),
          (1, 2),
          (4, 1),
          (3, 2),
          (3, 4),
          (4, 8),
          (5, 8),
          (6, 5),
          (6, 7),
          (7, 8),
      ]
      edges2 = [
          (1, 5),
          (1, 2),
          (4, 1),
          (3, 2),
          (4, 3),
          (5, 8),
          (6, 5),
          (6, 7),
          (3, 7),
          (8, 7),
      ]
  
      G1 = nx.DiGraph(edges1)
      G2 = nx.DiGraph(edges2)
      assert vf2pp_isomorphism(G1, G2) is None
  
imports: import itertools
  import pytest
  import networkx
  from networkx import vf2pp_is_isomorphic, vf2pp_isomorphism
label_desc: Use image node_id 2 for calling the TestDiGraphISOVF2pp obj's underlying member method code with example usage: obj.test_non_isomorphic_same_degree_sequence() without return types