From 52b1ca292cd911d7a43f1bee26ea1e573662c96b Mon Sep 17 00:00:00 2001
From: Krrish Dholakia <krrishdholakia@gmail.com>
Date: Mon, 29 Jul 2024 09:01:09 -0700
Subject: [PATCH] fix(utils.py): check if tools is iterable before indexing
 into it

Fixes https://github.com/BerriAI/litellm/issues/4933
---
 litellm/utils.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/litellm/utils.py b/litellm/utils.py
index ec1370c307..411d2509d5 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -2772,7 +2772,9 @@ def get_optional_params(
                     message=f"Function calling is not supported by {custom_llm_provider}.",
                 )
 
-    if "tools" in non_default_params:
+    if "tools" in non_default_params and isinstance(
+        non_default_params, list
+    ):  # fixes https://github.com/BerriAI/litellm/issues/4933
         tools = non_default_params["tools"]
         for (
             tool