code: def testIncl(self):
      group = self.GROUP.Incl([])
      self.assertEqual(
          MPI.Group.Compare(group, MPI.GROUP_EMPTY), MPI.IDENT
      )
      group.Free()
  
imports: from mpi4py import MPI
  import mpiunittest
label_desc: Use image node_id 7 for calling the BaseTestGroup obj's underlying member method code with example usage: obj.testIncl() without return types