code: def testFortran(self):
      for handle1 in self.HANDLES:
          try:
              fint = handle1.py2f()
          except NotImplementedError:
              continue
          handle2 = type(handle1).f2py(fint)
          self.assertEqual(handle1, handle2)
  
imports: from mpi4py import MPI
  import mpiunittest
label_desc: Use image node_id 1 for calling the BaseTestFortran obj's underlying member method code with example usage: obj.testFortran() without return types