check for empty

mikedh · Sep 3, 2018 · 8c83dbd · 8c83dbd
1 parent e4ada03
commit 8c83dbd
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/trimesh/path/polygons.py b/trimesh/path/polygons.py
@@ -85,7 +85,7 @@ def enclosure_tree(polygons):
 
     # if there are multiple nested polygons split the graph
     # so the contains logic returns the individual polygons
-    if degrees.max() > 1:
+    if len(degrees) > 0 and degrees.max() > 1:
         # this could also be done by removing edges but
         # the bookkeeping is a lot easier to comprehend
         # with subgraphs

diff --git a/trimesh/version.py b/trimesh/version.py
@@ -1 +1 @@
-__version__ = '2.33.14'
+__version__ = '2.33.15'