From d7d5e75324a43c6d3f9d58a734c03baf07ac24a3 Mon Sep 17 00:00:00 2001
From: Twisha Bansal <58483338+twishabansal@users.noreply.github.com>
Date: Mon, 9 Feb 2026 11:22:00 +0530
Subject: [PATCH] Update
 docs/en/samples/pre_post_processing/python/adk/agent.py

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
---
 docs/en/samples/pre_post_processing/python/adk/agent.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/en/samples/pre_post_processing/python/adk/agent.py b/docs/en/samples/pre_post_processing/python/adk/agent.py
index 72a6a979a3..4b6ff4f2fa 100644
--- a/docs/en/samples/pre_post_processing/python/adk/agent.py
+++ b/docs/en/samples/pre_post_processing/python/adk/agent.py
@@ -52,7 +52,7 @@ async def after_tool_callback(
     args: Dict[str, Any],
     tool_context: ToolContext,
     tool_response: Any,
-):
+) -> Optional[Any]:
     """
     Callback fired after a tool execution.
     Enriches response for successful bookings.