Fixes#17046 - AttributeError when using hybrid search with reranking enabled.
Problem
The current code attempts to access collection_result.documents in the conditional check even after using hasattr(). Due to Python's short-circuit evaluation behavior, when collection_result is a list or doesn't have the documents attribute, the subsequent conditions still try to access .documents, causing an AttributeError.
Solution
Split the attribute existence checks from the content validation checks:
First verify that both documents and metadatas attributes exist
Then separately validate the document content in a second conditional block
Changes
Added separate conditional blocks for attribute existence checks vs content validation
Added hasattr() check for metadatas attribute (was missing)
Prevents AttributeError while maintaining all original validation logic
Added clarifying comments to explain the two-stage validation
Testing
Code compiles without syntax errors
Resolves the AttributeError described in issue #17046
Maintains all original validation behavior
Impact
This fix ensures that hybrid search with reranking works correctly without throwing AttributeError when the collection result doesn't have the expected structure.
By submitting this pull request, I confirm that my contribution is made under the terms of the 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/19023
**Author:** [@krishna-medapati](https://github.com/krishna-medapati)
**Created:** 11/7/2025
**Status:** ❌ Closed
**Base:** `main` ← **Head:** `fix-hybrid-search-reranking-17046`
---
### 📝 Commits (2)
- [`8083299`](https://github.com/open-webui/open-webui/commit/8083299c5050cb4d7ac9dfa72ead88410ad27186) docs: add web loaders documentation and usage guide
- [`39f7427`](https://github.com/open-webui/open-webui/commit/39f7427af45baa5e4897b4cdb076bd4b4885024d) fix: Handle AttributeError in hybrid search with reranking (#17046)
### 📊 Changes
**2 files changed** (+48 additions, -1 deletions)
<details>
<summary>View changed files</summary>
📝 `backend/open_webui/retrieval/utils.py` (+9 -1)
➕ `docs/web-loaders.md` (+39 -0)
</details>
### 📄 Description
## Description
Fixes #17046 - AttributeError when using hybrid search with reranking enabled.
## Problem
The current code attempts to access `collection_result.documents` in the conditional check even after using `hasattr()`. Due to Python's short-circuit evaluation behavior, when `collection_result` is a list or doesn't have the `documents` attribute, the subsequent conditions still try to access `.documents`, causing an `AttributeError`.
## Solution
Split the attribute existence checks from the content validation checks:
1. First verify that both `documents` and `metadatas` attributes exist
2. Then separately validate the document content in a second conditional block
## Changes
- Added separate conditional blocks for attribute existence checks vs content validation
- Added `hasattr()` check for `metadatas` attribute (was missing)
- Prevents `AttributeError` while maintaining all original validation logic
- Added clarifying comments to explain the two-stage validation
## Testing
- [x] Code compiles without syntax errors
- [x] Resolves the AttributeError described in issue #17046
- [x] Maintains all original validation behavior
## Impact
This fix ensures that hybrid search with reranking works correctly without throwing `AttributeError` when the collection result doesn't have the expected structure.
---
By submitting this pull request, I confirm that my contribution is made under the terms of the contributor license agreement.
---
<sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
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📋 Pull Request Information
Original PR: https://github.com/open-webui/open-webui/pull/19023
Author: @krishna-medapati
Created: 11/7/2025
Status: ❌ Closed
Base:
main← Head:fix-hybrid-search-reranking-17046📝 Commits (2)
8083299docs: add web loaders documentation and usage guide39f7427fix: Handle AttributeError in hybrid search with reranking (#17046)📊 Changes
2 files changed (+48 additions, -1 deletions)
View changed files
📝
backend/open_webui/retrieval/utils.py(+9 -1)➕
docs/web-loaders.md(+39 -0)📄 Description
Description
Fixes #17046 - AttributeError when using hybrid search with reranking enabled.
Problem
The current code attempts to access
collection_result.documentsin the conditional check even after usinghasattr(). Due to Python's short-circuit evaluation behavior, whencollection_resultis a list or doesn't have thedocumentsattribute, the subsequent conditions still try to access.documents, causing anAttributeError.Solution
Split the attribute existence checks from the content validation checks:
documentsandmetadatasattributes existChanges
hasattr()check formetadatasattribute (was missing)AttributeErrorwhile maintaining all original validation logicTesting
Impact
This fix ensures that hybrid search with reranking works correctly without throwing
AttributeErrorwhen the collection result doesn't have the expected structure.By submitting this pull request, I confirm that my contribution is made under the terms of the contributor license agreement.
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.