diff --git a/py/sharp_soft.py b/py/sharp_soft.py
index 517988b..bdf5e93 100644
--- a/py/sharp_soft.py
+++ b/py/sharp_soft.py
@@ -3,7 +3,8 @@ import copy
 import cv2
 import numpy as np
 from PIL import Image
-from .imagefunc import log, guidedFilter
+from .imagefunc import log
+from cv2.ximgproc import guidedFilter