fix _create_polyhedron with no faces

2017-11-14 00:01:07 +01:00 · 2017-11-14 00:01:07 +01:00 · 7294fa33b2
commit 7294fa33b2
parent d023af3531
1 changed files with 1 additions and 1 deletions
--- a/src/c3nav/mapdata/render/data.py
+++ b/src/c3nav/mapdata/render/data.py
@ -472,7 +472,7 @@ class LevelGeometries:

    def _create_polyhedron(self, faces, bottom=None, top=None, crops=None):
        if not any(faces):
-            return
+            return ()

        # collect rings/boundaries
        boundaries = deque()