avoiding warning

voxel51 · Jul 22, 2021 · ff359ac · ff359ac
1 parent 908447d
commit ff359ac
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/eta/core/image.py b/eta/core/image.py
@@ -1067,7 +1067,7 @@ def _mask_to_polygons(mask, tolerance=2):
     padded_mask = np.pad(mask, pad_width=1, mode="constant", constant_values=0)
 
     contours = measure.find_contours(padded_mask, 0.5)
-    contours = np.subtract(contours, 1)  # undo padding
+    contours = [c - 1 for c in contours]  # undo padding
 
     polygons = []
     for contour in contours: