fix(option list): fix render cache option indexing

Fixes Textualize#5431
TomJGooding · Jan 16, 2025 · 7381e9c · 7381e9c
1 parent dc71564
commit 7381e9c
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Showing 3 changed files with 185 additions and 2 deletions.
diff --git a/src/textual/widgets/_option_list.py b/src/textual/widgets/_option_list.py
@@ -358,11 +358,11 @@ def _add_lines(
         assert self._lines is not None
         assert self._spans is not None
 
-        for index, content in enumerate(new_content, len(self._lines)):
+        for content in new_content:
             if isinstance(content, Option):
                 height = len(
                     self._render_option_content(
-                        index, content, "", width - self._left_gutter_width()
+                        option_index, content, "", width - self._left_gutter_width()
                     )
                 )