From 72dc85d3dd4fb6813b3ae610f651fe2a1800122b Mon Sep 17 00:00:00 2001
From: Kaalleen <36401965+kaalleen@users.noreply.github.com>
Date: Tue, 20 May 2025 16:01:34 +0200
Subject: ripple: return empty when there are no helper lines (#3733)

---
 lib/stitches/ripple_stitch.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/stitches/ripple_stitch.py b/lib/stitches/ripple_stitch.py
index 7a2783f7..231a70e1 100644
--- a/lib/stitches/ripple_stitch.py
+++ b/lib/stitches/ripple_stitch.py
@@ -28,6 +28,8 @@ def ripple_stitch(stroke):
         return []
 
     is_linear, helper_lines = _get_helper_lines(stroke)
+    if not helper_lines:
+        return []
 
     num_lines = len(helper_lines[0])
     skip_start = _adjust_skip(stroke, num_lines, stroke.skip_start)
-- 
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