From 21453ffff0d012044e40a2637ce5d61c456e42af Mon Sep 17 00:00:00 2001
From: dashi6174 <dashi6174@163.com>
Date: Wed, 22 May 2024 15:29:07 +0800
Subject: [PATCH] fixed: The choices may be empty. (#876)

### What problem does this PR solve?


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
---
 rag/llm/chat_model.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/rag/llm/chat_model.py b/rag/llm/chat_model.py
index a652972a2cf..9a2eec5d545 100644
--- a/rag/llm/chat_model.py
+++ b/rag/llm/chat_model.py
@@ -56,6 +56,7 @@ def chat_streamly(self, system, history, gen_conf):
                 stream=True,
                 **gen_conf)
             for resp in response:
+                if len(resp.choices) == 0:continue
                 if not resp.choices[0].delta.content:continue
                 ans += resp.choices[0].delta.content
                 total_tokens += 1