From e5b756ecfe23beac03771b8ec404f0a313572794 Mon Sep 17 00:00:00 2001
From: matatonic <73265741+matatonic@users.noreply.github.com>
Date: Tue, 30 May 2023 21:07:40 -0400
Subject: [PATCH] Fixes #2331, IndexError: string index out of range (#2383)

---
 extensions/openai/script.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/openai/script.py b/extensions/openai/script.py
index 1914dcf4..039c4699 100644
--- a/extensions/openai/script.py
+++ b/extensions/openai/script.py
@@ -346,7 +346,7 @@ class Handler(BaseHTTPRequestHandler):
 
                 # can't really truncate the system messages
                 system_msg = '\n'.join(system_msgs)
-                if system_msg[-1] != '\n':
+                if system_msg and system_msg[-1] != '\n':
                     system_msg = system_msg + '\n'
 
                 system_token_count = len(encode(system_msg)[0])