From 18ae8a409192894db96ba24099fc9615f31dd217 Mon Sep 17 00:00:00 2001
From: Kevin Hu <kevinhu.sh@gmail.com>
Date: Tue, 5 Nov 2024 09:29:01 +0800
Subject: [PATCH] raise exception if embedding model not found (#3199)

### What problem does this PR solve?

#3173

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
---
 api/db/services/dialog_service.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/api/db/services/dialog_service.py b/api/db/services/dialog_service.py
index 4245a284f..1e5fd8c79 100644
--- a/api/db/services/dialog_service.py
+++ b/api/db/services/dialog_service.py
@@ -162,6 +162,9 @@ def chat(dialog, messages, stream=True, **kwargs):
                 attachments.extend(m["doc_ids"])
 
     embd_mdl = LLMBundle(dialog.tenant_id, LLMType.EMBEDDING, embd_nms[0])
+    if not embd_mdl:
+        raise LookupError("Embedding model(%s) not found" % embd_nms[0])
+    
     if llm_id2llm_type(dialog.llm_id) == "image2text":
         chat_mdl = LLMBundle(dialog.tenant_id, LLMType.IMAGE2TEXT, dialog.llm_id)
     else: