From ef14d1ea92b3f183caa3b6e674fca2056a937b5c Mon Sep 17 00:00:00 2001
From: Eric Yang <eyang@apache.org>
Date: Tue, 7 Jul 2026 16:23:10 +0000
Subject: [PATCH] fix(shell): remove unused os import in exec_session

Ruff F401 failed CI on the zombie-reap PR; reaping uses shell._reap_pid
so os is not needed in this module.
---
 nanobot/agent/tools/exec_session.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/nanobot/agent/tools/exec_session.py b/nanobot/agent/tools/exec_session.py
index f67f35bb..d9db38c8 100644
--- a/nanobot/agent/tools/exec_session.py
+++ b/nanobot/agent/tools/exec_session.py
@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 import asyncio
-import os
 import time
 import uuid
 from contextlib import suppress