def METHOD_NAME():
    with pytest.raises(ValueError):
        DPCLE2ESeparator(
            input_dim=10,
            rnn_type="rnn",
            layer=2,
            unit=10,
            dropout=0.1,
            num_spk=2,
            emb_D=40,
            nonlinear="fff",
            alpha=5.0,
            max_iteration=100,
        )