Suppress SyntaxWarning: invalid escape sequence from pydub package when running on Python 3.12+ by adding a targeted warnings.filterwarnings call
before pydub imports in backend/open_webui/routers/audio.py
Added
N/A
Changed
N/A
Deprecated
N/A
Removed
N/A
Fixed
Suppressed pydub SyntaxWarning on Python 3.12+ that cluttered application logs with invalid escape sequence warnings from pydub/utils.py (lines 300,
301, 310, 314)
The filter only targets pydub-related SyntaxWarnings, no other warnings are affected
Once pydub releases a fix, this workaround can be removed
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/21516
**Author:** [@eren-karakus0](https://github.com/eren-karakus0)
**Created:** 2/17/2026
**Status:** ❌ Closed
**Base:** `dev` ← **Head:** `fix/pydub-syntax-warning`
---
### 📝 Commits (10+)
- [`fe6783c`](https://github.com/open-webui/open-webui/commit/fe6783c16699911c7be17392596d579333fb110c) Merge pull request #19030 from open-webui/dev
- [`fc05e0a`](https://github.com/open-webui/open-webui/commit/fc05e0a6c5d39da60b603b4d520f800d6e36f748) Merge pull request #19405 from open-webui/dev
- [`e3faec6`](https://github.com/open-webui/open-webui/commit/e3faec62c58e3a83d89aa3df539feacefa125e0c) Merge pull request #19416 from open-webui/dev
- [`9899293`](https://github.com/open-webui/open-webui/commit/9899293f050ad50ae12024cbebee7e018acd851e) Merge pull request #19448 from open-webui/dev
- [`140605e`](https://github.com/open-webui/open-webui/commit/140605e660b8186a7d5c79fb3be6ffb147a2f498) Merge pull request #19462 from open-webui/dev
- [`6f1486f`](https://github.com/open-webui/open-webui/commit/6f1486ffd0cb288d0e21f41845361924e0d742b3) Merge pull request #19466 from open-webui/dev
- [`d95f533`](https://github.com/open-webui/open-webui/commit/d95f533214e3fe5beb5e41ec1f349940bc4c7043) Merge pull request #19729 from open-webui/dev
- [`a727153`](https://github.com/open-webui/open-webui/commit/a7271532f8a38da46785afcaa7e65f9a45e7d753) 0.6.43 (#20093)
- [`6adde20`](https://github.com/open-webui/open-webui/commit/6adde203cd292a9e3af9c64a2ae36b603fed096a) Merge pull request #20394 from open-webui/dev
- [`f9b0534`](https://github.com/open-webui/open-webui/commit/f9b0534e0c442631d1cb7205169588b9b6204179) Merge pull request #20522 from open-webui/dev
### 📊 Changes
**1 file changed** (+5 additions, -0 deletions)
<details>
<summary>View changed files</summary>
📝 `backend/open_webui/routers/audio.py` (+5 -0)
</details>
### 📄 Description
Add warnings filter to suppress invalid escape sequence warnings
from pydub's regex patterns when running on Python 3.12+.
This is a temporary workaround until pydub releases a fix upstream.
See: https://github.com/jiaaro/pydub/issues/801
Closes #21513
# Changelog Entry
### Description
- Suppress `SyntaxWarning: invalid escape sequence` from pydub package when running on Python 3.12+ by adding a targeted `warnings.filterwarnings` call
before pydub imports in `backend/open_webui/routers/audio.py`
### Added
- N/A
### Changed
- N/A
### Deprecated
- N/A
### Removed
- N/A
### Fixed
- Suppressed pydub SyntaxWarning on Python 3.12+ that cluttered application logs with invalid escape sequence warnings from `pydub/utils.py` (lines 300,
301, 310, 314)
### Security
- N/A
### Breaking Changes
- N/A
---
### Additional Information
- This is a known upstream issue: [jiaaro/pydub#801](https://github.com/jiaaro/pydub/issues/801)
- The filter only targets pydub-related SyntaxWarnings, no other warnings are affected
- Once pydub releases a fix, this workaround can be removed
### 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>
Blocking a user prevents them from interacting with repositories, such as opening or commenting on pull requests or issues. Learn more about blocking a user.
📋 Pull Request Information
Original PR: https://github.com/open-webui/open-webui/pull/21516
Author: @eren-karakus0
Created: 2/17/2026
Status: ❌ Closed
Base:
dev← Head:fix/pydub-syntax-warning📝 Commits (10+)
fe6783cMerge pull request #19030 from open-webui/devfc05e0aMerge pull request #19405 from open-webui/deve3faec6Merge pull request #19416 from open-webui/dev9899293Merge pull request #19448 from open-webui/dev140605eMerge pull request #19462 from open-webui/dev6f1486fMerge pull request #19466 from open-webui/devd95f533Merge pull request #19729 from open-webui/deva7271530.6.43 (#20093)6adde20Merge pull request #20394 from open-webui/devf9b0534Merge pull request #20522 from open-webui/dev📊 Changes
1 file changed (+5 additions, -0 deletions)
View changed files
📝
backend/open_webui/routers/audio.py(+5 -0)📄 Description
Add warnings filter to suppress invalid escape sequence warnings
from pydub's regex patterns when running on Python 3.12+.
This is a temporary workaround until pydub releases a fix upstream.
See: https://github.com/jiaaro/pydub/issues/801
Closes #21513
Changelog Entry
Description
SyntaxWarning: invalid escape sequencefrom pydub package when running on Python 3.12+ by adding a targetedwarnings.filterwarningscallbefore pydub imports in
backend/open_webui/routers/audio.pyAdded
Changed
Deprecated
Removed
Fixed
pydub/utils.py(lines 300,301, 310, 314)
Security
Breaking Changes
Additional Information
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.