code: def testFamous(self):
      g = Graph.Famous("tutte")
      self.assertTrue(g.vcount() == 46 and g.ecount() == 69)
      self.assertRaises(InternalError, Graph.Famous, "unknown")
  
imports: import unittest
  from igraph import Graph, InternalError
label_desc: Use image node_id 2 for calling the GeneratorTests obj's underlying member method code with example usage: obj.testFamous() without return types