code: def get_test_backends():
      backends = [Backend]
  
      try:
          import h5py  # NOQA
      except ImportError:
          pass
      else:
          backends.append(TempHDFBackend)
  
      return backends
  
label_desc: Use image node_id 1 for calling a global function with example usage: get_test_backends() and returns: backends