def test_fitting_error(): X1 = np.array([[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]]) mc = MeanCenterer() mc.transform(X1)
def test_fitting_error(): X1 = np.array([[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]]) mc = MeanCenterer() with pytest.raises(AttributeError): mc.transform(X1)