From ae8e31a6e821553821aba4614f82ac583fd46482 Mon Sep 17 00:00:00 2001
From: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
Date: Wed, 28 Oct 2026 17:46:33 -0700
Subject: [PATCH] refactor(deepseek): hold the sent tools in a tuple

---
 litellm/llms/deepseek/chat/transformation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/litellm/llms/deepseek/chat/transformation.py b/litellm/llms/deepseek/chat/transformation.py
index bd995e1cc35..4b5b8598668 100644
--- a/litellm/llms/deepseek/chat/transformation.py
+++ b/litellm/llms/deepseek/chat/transformation.py
@@ -256,7 +256,7 @@ class DeepSeekChatConfig(OpenAIGPTConfig):
         tools: Final = optional_params.get("tools")
         if not isinstance(tools, list) or not tools:
             return optional_params
-        sent_tools: Final[list[object]] = tools
+        sent_tools: Final[tuple[object, ...]] = tuple(tools)
 
         def _is_function_tool(tool: object) -> bool:
             return isinstance(tool, dict) and tool.get("type") == "function"