code: def test_not_weighted_graph(self):
      self.tsp(self.unweightedUG, "greedy")
      self.tsp(self.unweightedDG, "greedy")
  
imports: import random
  import pytest
  import networkx
  import networkx.algorithms.approximation
label_desc: Use image node_id 6 for calling the TestSimulatedAnnealingTSP obj's underlying member method code with example usage: obj.test_not_weighted_graph() without return types