From 072cf476024eda2c61ad2e8516ef23f497c04642 Mon Sep 17 00:00:00 2001
From: Ynjxsjmh <ynjxsjmh@gmail.com>
Date: Sun, 29 Sep 2024 21:56:28 +0800
Subject: [PATCH] Fix index error due to missing previously selected shapes in
 current image

---
 labelme/widgets/canvas.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/labelme/widgets/canvas.py b/labelme/widgets/canvas.py
index d71a6125b..2f6041596 100644
--- a/labelme/widgets/canvas.py
+++ b/labelme/widgets/canvas.py
@@ -963,7 +963,11 @@ def keyReleaseEvent(self, ev):
             if int(modifiers) == 0:
                 self.snapping = True
         elif self.editing():
-            if self.movingShape and self.selectedShapes:
+            if (
+                self.movingShape
+                and self.selectedShapes
+                and self.selectedShapes[0] in self.shapes
+            ):
                 index = self.shapes.index(self.selectedShapes[0])
                 if self.shapesBackups[-1][index].points != self.shapes[index].points:
                     self.storeShapes()