def test_fromdict(self):
        header_dict = self.header_arquivo.todict()
        header_arquivo = itau.registros.HeaderArquivo(**header_dict)
        self.assertEqual(header_arquivo.cedente_nome,
                                                'TRACY TECNOLOGIA LTDA ME')
        self.assertEqual(header_arquivo.nome_do_banco, 'BANCO ITAU SA')
def _acc_grads(g_sum, g_w, g):
  """Accumulate gradients in g, weighted by g_w."""
  return [g_sum_i + g_w * g_i for g_sum_i, g_i in zip(g_sum, g)]