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import numpy as np
from numpy.testing import assert_array_almost_equal
from scipy.signal import savgol_filter
from skbeam.core.smoothing import sgolay2d


def test_SG():
    x = np.array([2, 2, 2, 5, 2, 1, 0, 1, 4, 9, 2, 2, 2])
    x2d = np.vstack([x]*2)
    smooth_sp = savgol_filter(x, 3, 1)
    smooth_sk = sgolay2d(x2d, 3, 1)

    assert_array_almost_equal(smooth_sp, smooth_sk)

@@ -2804,16 +2804,21 @@
 d, 3, 1)
+%5B0,:%5D
 %0A%0A    as

correct test to smoothing module