code: def testBipartiteMatchingSimple(self):
      # Specifying the "type" attribute explicitly
      matching = leda_graph.maximum_bipartite_matching("type")
      self.assertEqual(len(matching), 6)
      self.assertTrue(matching.is_maximal())
  
      # Using the default attribute
      matching = leda_graph.maximum_bipartite_matching()
      self.assertEqual(len(matching), 6)
      self.assertTrue(matching.is_maximal())
  
file_path: python-igraph/tests/test_matching.py
imports: import unittest
  from igraph import Graph, InternalError, Matching
label_desc: Use image node_id 1 for calling the MaximumBipartiteMatchingTests obj's underlying member method code with example usage: obj.testBipartiteMatchingSimple() without return types