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[PR #22435] [CLOSED] fix: replace bare string raises with proper exception types #42322

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opened 2026-04-25 14:15:51 -05:00 by GiteaMirror · 0 comments
GiteaMirror commented 2026-04-25 14:15:51 -05:00
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📋 Pull Request Information

Original PR: https://github.com/open-webui/open-webui/pull/22435
Author: @alvinttang
Created: 3/8/2026
Status: ❌ Closed

Base: dev ← Head: fix/raise-string-typeerror

📝 Commits (10+)

📊 Changes

2 files changed (+3 additions, -3 deletions)

View changed files

📝 backend/open_webui/retrieval/utils.py (+2 -2)
📝 backend/open_webui/routers/ollama.py (+1 -1)

📄 Description

Description

  • In Python, raise "some string" does not raise an exception with that message — it raises a TypeError: exceptions must derive from BaseException. This bug exists in three places in the backend where the code intends to signal an error condition but instead raises a confusing TypeError, making the actual problem very hard to debug from logs.
  • Fixed all three occurrences by replacing raise "string" with proper exception types (ValueError / RuntimeError) that carry the intended error message.

Affected locations

  1. backend/open_webui/retrieval/utils.py — generate_openai_batch_embeddings(): when API response is missing the data key
  2. backend/open_webui/retrieval/utils.py — generate_ollama_batch_embeddings(): when API response is missing the embeddings key
  3. backend/open_webui/routers/ollama.py — download_file_stream(): when blob upload to Ollama fails

Fixed

  • Replaced raise "Something went wrong :/" with raise ValueError(...) with descriptive messages
  • Replaced raise "Ollama: Could not create blob..." with raise RuntimeError(...)
  • Error logs now show the actual problem instead of a misleading TypeError

Additional Information

  • Tested by reviewing the code path and verifying the fix
  • Self-reviewed the code changes
  • These are all inside try/except Exception blocks, so behavior is preserved — only the error message logged changes from a confusing TypeError to the actual descriptive error

Contributor License Agreement

🔄 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/22435 **Author:** [@alvinttang](https://github.com/alvinttang) **Created:** 3/8/2026 **Status:** ❌ Closed **Base:** `dev` ← **Head:** `fix/raise-string-typeerror` --- ### 📝 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 **2 files changed** (+3 additions, -3 deletions) <details> <summary>View changed files</summary> 📝 `backend/open_webui/retrieval/utils.py` (+2 -2) 📝 `backend/open_webui/routers/ollama.py` (+1 -1) </details> ### 📄 Description ### Description - In Python, `raise "some string"` does not raise an exception with that message — it raises a `TypeError: exceptions must derive from BaseException`. This bug exists in three places in the backend where the code intends to signal an error condition but instead raises a confusing `TypeError`, making the actual problem very hard to debug from logs. - Fixed all three occurrences by replacing `raise "string"` with proper exception types (`ValueError` / `RuntimeError`) that carry the intended error message. ### Affected locations 1. `backend/open_webui/retrieval/utils.py` — `generate_openai_batch_embeddings()`: when API response is missing the `data` key 2. `backend/open_webui/retrieval/utils.py` — `generate_ollama_batch_embeddings()`: when API response is missing the `embeddings` key 3. `backend/open_webui/routers/ollama.py` — `download_file_stream()`: when blob upload to Ollama fails ### Fixed - Replaced `raise "Something went wrong :/"` with `raise ValueError(...)` with descriptive messages - Replaced `raise "Ollama: Could not create blob..."` with `raise RuntimeError(...)` - Error logs now show the actual problem instead of a misleading `TypeError` ### Additional Information - Tested by reviewing the code path and verifying the fix - Self-reviewed the code changes - These are all inside `try/except Exception` blocks, so behavior is preserved — only the error message logged changes from a confusing `TypeError` to the actual descriptive error ### Contributor License Agreement - [x] 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 14:15:51 -05:00
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Reference: github-starred/open-webui#42322
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