def test_default_parameters(self):
        """Test default selection for integer index"""
        series = TimeSeries.from_values(np.arange(1, 30, 1))
        model = ExponentialSmoothing()
        model.fit(series)
        assert model.seasonal_periods == 12
Test default selection for integer index
darts/tests/models/forecasting/test_exponential_smoothing.py