From 7d0d075c67658b7fda73b0bf30c7c62ae5d56f19 Mon Sep 17 00:00:00 2001
From: ER-EPR <38782737+ER-EPR@users.noreply.github.com>
Date: Mon, 1 Jun 2026 19:52:33 +0800
Subject: [PATCH] Fix tool_calls retrieval to handle None case

---
 backend/open_webui/utils/anthropic.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/open_webui/utils/anthropic.py b/backend/open_webui/utils/anthropic.py
index 0d2ddf3b9c..bb0f64321c 100644
--- a/backend/open_webui/utils/anthropic.py
+++ b/backend/open_webui/utils/anthropic.py
@@ -422,7 +422,7 @@ def convert_openai_to_anthropic_response(openai_response: dict, model: str = '')
         content.append({'type': 'text', 'text': msg_content})
 
     # Tool calls → tool_use blocks
-    tool_calls = message.get('tool_calls', [])
+    tool_calls = message.get('tool_calls') or []
     for tc in tool_calls:
         func = tc.get('function', {})
         try: