Fix check for collapsed-borders mode in preferred margin width

Kozea · May 25, 2023 · d4a79bc · d4a79bc
1 parent d87034f
commit d4a79bc
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/weasyprint/layout/preferred.py b/weasyprint/layout/preferred.py
@@ -147,13 +147,14 @@ def margin_width(box, width, left=True, right=True):
                 assert style_value.unit == '%'
                 percentages += style_value.value
 
+    collapse = box.style['border_collapse'] == 'collapse'
     if left:
-        if box.style['border_collapse'] and 'collapse_border_left_width' in box.style:
+        if collapse and 'collapse_border_left_width' in box.style:
             width += box.style['collapse_border_left_width']
         else:
             width += box.style['border_left_width']
     if right:
-        if box.style['border_collapse'] and 'collapse_border_right_width' in box.style:
+        if collapse and 'collapse_border_right_width' in box.style:
             width += box.style['collapse_border_right_width']
         else:
             width += box.style['border_right_width']