Crash on shapely 2.0a1 in region vectorizer

On the way to restoring MacOS support #358
mittagessen · Sep 28, 2022 · 10a320e · 10a320e
1 parent 903d760
commit 10a320e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/kraken/lib/segmentation.py b/kraken/lib/segmentation.py
@@ -357,7 +357,7 @@ def vectorize_regions(im: np.ndarray, threshold: float = 0.5):
     if boundaries.type == 'Polygon':
         boundaries = [boundaries.boundary.simplify(10)]
     else:
-        boundaries = [x.boundary.simplify(10) for x in unary_union(boundaries)]
+        boundaries = [x.boundary.simplify(10) for x in boundaries.geoms]
     return [np.array(x.coords, dtype=np.uint)[:, [1, 0]].tolist() for x in boundaries]