From d405e86890b9ab6f24a0d9a221f36ca05b7c9d85 Mon Sep 17 00:00:00 2001
From: "zhenjie.ye" <yezhenjie@outlook.de>
Date: Mon, 3 Jun 2024 17:17:24 +0800
Subject: [PATCH] Fix streaming mode index out of range error

---
 chatblade/chat.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/chatblade/chat.py b/chatblade/chat.py
index cdd7fac..cbeb459 100644
--- a/chatblade/chat.py
+++ b/chatblade/chat.py
@@ -91,6 +91,8 @@ def map_from_stream(openai_gen):
     final one being the completed Message"""
     role, message = None, ""
     for update in openai_gen:
+        if not update.choices:
+            continue  # Skip the iteration if choices is empty
         delta = [choice.delta for choice in update.choices][0]
         if delta.role:
             role = delta.role