Avoid mutating the image-slice

Avoid mutating border_image_slice while drawing image borders.
Kozea · Apr 20, 2024 · 1ef4d06 · 1ef4d06
1 parent 7d2a6a9
commit 1ef4d06
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/weasyprint/draw.py b/weasyprint/draw.py
@@ -463,7 +463,7 @@ def draw_column_border():
         should_fill = False
         image_slice = box.style['border_image_slice']
         if image_slice[0] == 'fill':
-            image_slice.pop(0)
+            image_slice = image_slice[1:];
             should_fill = True
 
         def compute_dim(d, intrinsic):