code: def test_feasibility_different_labels(self):
      G1 = nx.Graph(
          [
              (0, 1),
              (1, 2),
              (1, 14),
              (0, 4),
              (1, 5),
              (2, 6),
              (3, 7),
              (3, 6),
              (4, 10),
              (4, 9),
              (6, 10),
              (20, 9),
              (20, 15),
              (20, 12),
              (20, 11),
              (12, 13),
              (11, 13),
              (20, 8),
              (20, 2),
              (20, 5),
              (20, 0),
          ]
      )
      mapped = {
          0: "a",
          1: "b",
          2: "c",
          3: "d",
          4: "e",
          5: "f",
          6: "g",
          7: "h",
          8: "i",
          9: "j",
          10: "k",
          11: "l",
          12: "m",
          13: "n",
          14: "o",
          15: "p",
          20: "x",
      }
      G2 = nx.relabel_nodes(G1, mapped)
  
      l1 = {n: "none" for n in G1.nodes()}
      l2 = {}
  
      l1.update(
          {
              9: "blue",
              15: "blue",
              12: "blue",
              11: "green",
              2: "green",
              8: "red",
              0: "red",
              5: "yellow",
          }
      )
      l2.update({mapped[n]: l for n, l in l1.items()})
  
      gparams = _GraphParameters(
          G1, G2, l1, l2, nx.utils.groups(l1), nx.utils.groups(l2), None
      )
      sparams = _StateParameters(
          {0: "a", 1: "b", 2: "c", 3: "d"},
          {"a": 0, "b": 1, "c": 2, "d": 3},
          {4, 5, 6, 7, 14},
          None,
          {9, 10, 15, 12, 11, 13, 8},
          None,
          {"e", "f", "g", "h", "o"},
          None,
          {"j", "k", "l", "m", "n", "i", "p"},
          None,
      )
  
      u, v = 20, "x"
      assert not _cut_PT(u, v, gparams, sparams)
  
      # Change structure in G2 such that, ONLY consistency is harmed
      G2.remove_edge(mapped[20], mapped[2])
      G2.add_edge(mapped[20], mapped[3])
      l2.update({mapped[3]: "green"})
  
      # Consistency check fails, while the cutting rules are satisfied!
      assert not _cut_PT(u, v, gparams, sparams)
      assert not _consistent_PT(u, v, gparams, sparams)
  
      # Compensate in G1 and make it consistent
      G1.remove_edge(20, 2)
      G1.add_edge(20, 3)
      l1.update({3: "green"})
      assert not _cut_PT(u, v, gparams, sparams)
      assert _consistent_PT(u, v, gparams, sparams)
  
      # ONLY fail the cutting check
      l1.update({5: "red"})
      assert _cut_PT(u, v, gparams, sparams)
      assert _consistent_PT(u, v, gparams, sparams)
  
imports: import itertools
  import pytest
  import networkx
  from networkx import vf2pp_is_isomorphic, vf2pp_isomorphism
  from networkx.algorithms.isomorphism.vf2pp import _consistent_PT, _cut_PT, _feasibility, _find_candidates, _find_candidates_Di, _GraphParameters, _initialize_parameters, _matching_order, _restore_Tinout, _restore_Tinout_Di, _StateParameters, _update_Tinout
label_desc: Use image node_id 10 for calling the TestGraphISOFeasibility obj's underlying member method code with example usage: obj.test_feasibility_different_labels() without return types