code: def setUp(self):
      self.BASECOMM = self.BASECOMM.Dup()
      super().setUp()
  
file_path: mpi4py/test/test_cco_vec_inter.py
imports: from mpi4py import MPI
  import mpiunittest
  import arrayimpl
label_desc: Use image node_id 1 for calling the TestCCOVecInterDup obj's underlying member method code with example usage: obj.setUp() without return types