code: def parameterize(*params):
      """:func:`chainer.testing.parameterize` for `pytest-xdist`.
  
      :func:`chainer.testing.parameterize` cannot work with `pytest-xdist`
      when the params contain functions (lambdas), classes, and random values.
      This wrapper replaces the params with their indices
      and restore the original params in :meth:`setUp`.
      """
  
      def deco(cls):
          setUp_orig = cls.setUp
  
          def setUp(self):
              param = params[self._chainercv_parameterize_index]
              print("params: {}".format(param))
              for k, v in six.iteritems(param):
                  setattr(self, k, v)
              setUp_orig(self)
  
          cls.setUp = setUp
  
          params_indices = [
              {"_chainercv_parameterize_index": i}
              for i in range(len(params))
          ]
          return testing.parameterize(*params_indices)(cls)
  
      return deco
  
label_desc: Use image node_id 1 for calling a global function with example usage: parameterize() and returns: deco, testing