From 0ea3b6625f7d71f6f33a1b323b2a5f60e9ef2dcd Mon Sep 17 00:00:00 2001
From: Jan Petykiewicz <jan@mpxd.net>
Date: Sat, 7 Oct 2023 01:52:22 -0700
Subject: [PATCH] add missing end condition

---
 masque/shapes/arc.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/masque/shapes/arc.py b/masque/shapes/arc.py
index 2b7046a..e6ce411 100644
--- a/masque/shapes/arc.py
+++ b/masque/shapes/arc.py
@@ -239,7 +239,7 @@ class Arc(Shape):
             keep = []
             removable = (numpy.cumsum(arc_lengths) <= max_arclen)
             start = 0
-            while True:
+            while start < arc_lengths.size:
                 next_to_keep = start + numpy.where(removable)[0][-1]    # TODO: any chance we haven't sampled finely enough?
                 keep.append(next_to_keep)
                 removable = (numpy.cumsum(arc_lengths[next_to_keep + 1:]) <= max_arclen)