Use _np_version_under1p12 instead of NumpyVersion

Author: kornilova203

pandas/tests/test_window.py

@@ -6,7 +6,7 @@
 from datetime import datetime, timedelta
 from numpy.random import randn
 import numpy as np
-from scipy._lib._version import NumpyVersion
+from pandas import _np_version_under1p12
 
 import pandas as pd
 from pandas import (Series, DataFrame, bdate_range,
@@ -1139,7 +1139,7 @@ def test_rolling_quantile_series(self):
 
         tm.assert_almost_equal(q1, q2)
 
-    @pytest.mark.skipif(NumpyVersion(np.__version__) < '1.12.0',
+    @pytest.mark.skipif(_np_version_under1p12,
                         reason='numpy midpoint interpolation is broken')
     @pytest.mark.parametrize('quantile', [0.0, 0.1, 0.45, 0.5, 1])
     @pytest.mark.parametrize('interpolation', ['linear', 'lower', 'higher',