From fc722a6fa27f39dca18530db4457a5ef1f1426ff Mon Sep 17 00:00:00 2001
From: DrMelone <27028174+Classic298@users.noreply.github.com>
Date: Sun, 12 Apr 2026 22:28:28 +0200
Subject: [PATCH] fix: revert merge_docs_to_target_size to sync

Caller save_docs_to_vector_db is synchronous, so await inside it is invalid.
---
 backend/open_webui/routers/retrieval.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backend/open_webui/routers/retrieval.py b/backend/open_webui/routers/retrieval.py
index 2e0cd25ca2..ee8411f970 100644
--- a/backend/open_webui/routers/retrieval.py
+++ b/backend/open_webui/routers/retrieval.py
@@ -1255,7 +1255,7 @@ def can_merge_chunks(a: Document, b: Document) -> bool:
     return True
 
 
-async def merge_docs_to_target_size(
+def merge_docs_to_target_size(
     request: Request,
     chunks: list[Document],
 ) -> list[Document]:
@@ -1436,7 +1436,7 @@ def save_docs_to_vector_db(
 
             docs = split_docs
             if request.app.state.config.CHUNK_MIN_SIZE_TARGET > 0:
-                docs = await merge_docs_to_target_size(request, docs)
+                docs = merge_docs_to_target_size(request, docs)
 
         if request.app.state.config.TEXT_SPLITTER in ['', 'character']:
             text_splitter = RecursiveCharacterTextSplitter(