Merge pull request #5544 from Textualize/fix-ol-crash

Fix crash in Command Palette

Author: willmcgugan

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2.0.3] - 2025-02-16
+
+### Fixed
+
+- Fixed traceback from OptionList in Command Palette https://github.com/Textualize/textual/pull/5544
+
 ## [2.0.2] - 2025-02-16
 
 ### Fixed
@@ -2729,6 +2735,7 @@ https://textual.textualize.io/blog/2022/11/08/version-040/#version-040
 - New handler system for messages that doesn't require inheritance
 - Improved traceback handling
 
+[2.0.3]: https://github.com/Textualize/textual/compare/v2.0.2...v2.0.3
 [2.0.2]: https://github.com/Textualize/textual/compare/v2.0.1...v2.0.2
 [2.0.1]: https://github.com/Textualize/textual/compare/v2.0.0...v2.0.1
 [2.0.0]: https://github.com/Textualize/textual/compare/v1.0.0...v2.0.0

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual"
-version = "2.0.2"
+version = "2.0.3"
 homepage = "https://github.com/Textualize/textual"
 repository = "https://github.com/Textualize/textual"
 documentation = "https://textual.textualize.io/"

src/textual/widgets/_option_list.py

@@ -834,10 +834,10 @@ def render_line(self, y: int) -> Strip:
         line_number = self.scroll_offset.y + y
         try:
             option_index, line_offset = self._lines[line_number]
+            option = self.options[option_index]
         except IndexError:
             return Strip.blank(self.scrollable_content_region.width)
 
-        option = self.options[option_index]
         mouse_over = self._mouse_hovering_over == option_index
         component_class = ""
         if option.disabled: