code: def testPyProps(self):
      comm = self.COMM
      self.assertEqual(comm.Get_size(), comm.size)
      self.assertEqual(comm.Get_rank(), comm.rank)
      self.assertEqual(comm.Is_intra(), comm.is_intra)
      self.assertEqual(comm.Is_inter(), comm.is_inter)
      self.assertEqual(comm.Get_topology(), comm.topology)
      #
      group = comm.group
      self.assertEqual(type(group), MPI.Group)
      group.Free()
      #
      info = comm.info
      self.assertIs(type(info), MPI.Info)
      comm.info = info
      info.Free()
  
imports: from mpi4py import MPI
  import mpiunittest
label_desc: Use image node_id 24 for calling the BaseTestComm obj's underlying member method code with example usage: obj.testPyProps() without return types