[PR #18080] [CLOSED] Fix title_string is NoneType error #40294

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GiteaMirror · 2026-04-25T12:41:44-05:00

GiteaMirror commented

2026-04-25 12:41:44 -05:00

📋 Pull Request Information

Original PR: https://github.com/open-webui/open-webui/pull/18080
Author: @xhejtman
Created: 10/6/2025
Status: ❌ Closed

Base: dev ← Head: title-fix

📝 Commits (2)

c547907 Fix title_string is NoneType error
9bc16d5 Merge branch 'dev' into title-fix

📊 Changes

1 file changed (+9 additions, -7 deletions)

View changed files

📝 backend/open_webui/utils/middleware.py (+9 -7)

📄 Description

Some models return reasoning_content instead of content. In such a case, title_string ends None and further find method fails.

Pull Request Checklist

Note to first-time contributors: Please open a discussion post in Discussions and describe your changes before submitting a pull request.

Before submitting, make sure you've checked the following:

[ x ] Target branch: Please verify that the pull request targets the dev branch.
[ x ] Description: Provide a concise description of the changes made in this pull request.
[ x ] Changelog: Ensure a changelog entry following the format of Keep a Changelog is added at the bottom of the PR description.
[ x ] Documentation: Have you updated relevant documentation Open WebUI Docs, or other documentation sources?
[ x ] Dependencies: Are there any new dependencies? Have you updated the dependency versions in the documentation?
[ x ] Testing: Have you written and run sufficient tests to validate the changes?
[ x ] Code review: Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards?
[ x ] Prefix: To clearly categorize this pull request, prefix the pull request title using one of the following:
- BREAKING CHANGE: Significant changes that may affect compatibility
- build: Changes that affect the build system or external dependencies
- ci: Changes to our continuous integration processes or workflows
- chore: Refactor, cleanup, or other non-functional code changes
- docs: Documentation update or addition
- feat: Introduces a new feature or enhancement to the codebase
- fix: Bug fix or error correction
- i18n: Internationalization or localization changes
- perf: Performance improvement
- refactor: Code restructuring for better maintainability, readability, or scalability
- style: Changes that do not affect the meaning of the code (white space, formatting, missing semi-colons, etc.)
- test: Adding missing tests or correcting existing tests
- WIP: Work in progress, a temporary label for incomplete or ongoing work

Changelog Entry

Description

For reasoning models, chat throws "'NoneType' object has no attribute 'find'" error because the reasnonig models return reasoning_content instead of content. This fix implements fallback to reasoning_content if content is empty.

Added

[List any new features, functionalities, or additions]

Changed

[List any changes, updates, refactorings, or optimizations]

Deprecated

[List any deprecated functionality or features that have been removed]

Removed

[List any removed features, files, or functionalities]

Fixed

[List any fixes, corrections, or bug fixes]

Security

[List any new or updated security-related changes, including vulnerability fixes]

Breaking Changes

BREAKING CHANGE: [List any breaking changes affecting compatibility or functionality]

Additional Information

[Insert any additional context, notes, or explanations for the changes]
- [Reference any related issues, commits, or other relevant information]

Screenshots or Videos

[Attach any relevant screenshots or videos demonstrating the changes]

Contributor License Agreement

By submitting this pull request, I confirm that I have read and fully agree to the Contributor License Agreement (CLA), and I am providing my contributions under its terms.

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/open-webui/open-webui/pull/18080 **Author:** [@xhejtman](https://github.com/xhejtman) **Created:** 10/6/2025 **Status:** ❌ Closed **Base:** `dev` ← **Head:** `title-fix` --- ### 📝 Commits (2) - [`c547907`](https://github.com/open-webui/open-webui/commit/c547907193544e2e304e0b0c47f900e5ff92163d) Fix title_string is NoneType error - [`9bc16d5`](https://github.com/open-webui/open-webui/commit/9bc16d58c93d7cba7f44909cf443e0f2a99e87ed) Merge branch 'dev' into title-fix ### 📊 Changes **1 file changed** (+9 additions, -7 deletions) <details> <summary>View changed files</summary> 📝 `backend/open_webui/utils/middleware.py` (+9 -7) </details> ### 📄 Description Some models return reasoning_content instead of content. In such a case, `title_string` ends None and further `find` method fails. # Pull Request Checklist ### Note to first-time contributors: Please open a discussion post in [Discussions](https://github.com/open-webui/open-webui/discussions) and describe your changes before submitting a pull request. **Before submitting, make sure you've checked the following:** - [ x ] **Target branch:** Please verify that the pull request targets the `dev` branch. - [ x ] **Description:** Provide a concise description of the changes made in this pull request. - [ x ] **Changelog:** Ensure a changelog entry following the format of [Keep a Changelog](https://keepachangelog.com/) is added at the bottom of the PR description. - [ x ] **Documentation:** Have you updated relevant documentation [Open WebUI Docs](https://github.com/open-webui/docs), or other documentation sources? - [ x ] **Dependencies:** Are there any new dependencies? Have you updated the dependency versions in the documentation? - [ x ] **Testing:** Have you written and run sufficient tests to validate the changes? - [ x ] **Code review:** Have you performed a self-review of your code, addressing any coding standard issues and ensuring adherence to the project's coding standards? - [ x ] **Prefix:** To clearly categorize this pull request, prefix the pull request title using one of the following: - **BREAKING CHANGE**: Significant changes that may affect compatibility - **build**: Changes that affect the build system or external dependencies - **ci**: Changes to our continuous integration processes or workflows - **chore**: Refactor, cleanup, or other non-functional code changes - **docs**: Documentation update or addition - **feat**: Introduces a new feature or enhancement to the codebase - **fix**: Bug fix or error correction - **i18n**: Internationalization or localization changes - **perf**: Performance improvement - **refactor**: Code restructuring for better maintainability, readability, or scalability - **style**: Changes that do not affect the meaning of the code (white space, formatting, missing semi-colons, etc.) - **test**: Adding missing tests or correcting existing tests - **WIP**: Work in progress, a temporary label for incomplete or ongoing work # Changelog Entry ### Description - For reasoning models, chat throws "'NoneType' object has no attribute 'find'" error because the reasnonig models return `reasoning_content` instead of `content`. This fix implements fallback to `reasoning_content` if `content` is empty. ### Added - [List any new features, functionalities, or additions] ### Changed - [List any changes, updates, refactorings, or optimizations] ### Deprecated - [List any deprecated functionality or features that have been removed] ### Removed - [List any removed features, files, or functionalities] ### Fixed - [List any fixes, corrections, or bug fixes] ### Security - [List any new or updated security-related changes, including vulnerability fixes] ### Breaking Changes - **BREAKING CHANGE**: [List any breaking changes affecting compatibility or functionality] --- ### Additional Information - [Insert any additional context, notes, or explanations for the changes] - [Reference any related issues, commits, or other relevant information] ### Screenshots or Videos - [Attach any relevant screenshots or videos demonstrating the changes] ### Contributor License Agreement By submitting this pull request, I confirm that I have read and fully agree to the [Contributor License Agreement (CLA)](https://github.com/open-webui/open-webui/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT), and I am providing my contributions under its terms. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

GiteaMirror added the pull-request label 2026-04-25 12:41:44 -05:00

GiteaMirror closed this issue

2026-04-25 12:43:04 -05:00

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Reference: github-starred/open-webui#40294