From 8d182ccae487f7d6af5a35cb3f03a35633b3f124 Mon Sep 17 00:00:00 2001
From: Li-john1021 <215793081+Li-john1021@users.noreply.github.com>
Date: Wed, 14 Oct 2026 16:06:32 +0800
Subject: [PATCH] fix(anthropic): drop unused normalize_anthropic_tool_use_id
 import

Ruff F401 on the /v1/messages thought_signature round-trip change.
---
 litellm/llms/anthropic/pass_through/adapters/transformation.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/litellm/llms/anthropic/pass_through/adapters/transformation.py b/litellm/llms/anthropic/pass_through/adapters/transformation.py
index bc127a42e40..c0fbea3414b 100644
--- a/litellm/llms/anthropic/pass_through/adapters/transformation.py
+++ b/litellm/llms/anthropic/pass_through/adapters/transformation.py
@@ -133,7 +133,6 @@ from litellm.llms.anthropic.common_utils import (
     eager_input_streaming_flag,
     format_anthropic_tool_use_id_with_signature,
     is_empty_unsigned_thinking_block,
-    normalize_anthropic_tool_use_id,
     split_anthropic_tool_use_id_signature,
     strip_encrypted_reasoning_blocks_from_anthropic_messages,
 )