code: def testIsInter(self):
      is_inter = self.COMM.Is_inter()
      self.assertIs(type(is_inter), bool)
  
imports: from mpi4py import MPI
  import mpiunittest
label_desc: Use image node_id 7 for calling the BaseTestComm obj's underlying member method code with example usage: obj.testIsInter() without return types