def test_merge_metrics_with_none_confusion_matrix():
    metrics = ModelMetrics()
    other = ModelMetrics()
    other.confusion_matrix = None
    other.regression_metrics = None

    new_metrics = metrics.merge(other)
    assert new_metrics.model_type == ModelType.UNKNOWN
def test_merge_metrics_with_none_confusion_matrix():
    metrics = ModelMetrics()
    other = ModelMetrics()
    other.confusion_matrix = None
    metrics.merge(other)