From 23cc3833720ee382d02006d7171d3e86c518ef67 Mon Sep 17 00:00:00 2001
From: Yuval Tassa <tassa@google.com>
Date: Tue, 14 Jul 2026 03:59:06 -0700
Subject: [PATCH] internal change

PiperOrigin-RevId: 947585050
Change-Id: Iaf9b60523b06d3cfd513ec661296eb39f4709442
---
 mjx/mujoco/mjx/_src/collision_driver.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mjx/mujoco/mjx/_src/collision_driver.py b/mjx/mujoco/mjx/_src/collision_driver.py
index f01c4659..63e8c6e9 100644
--- a/mjx/mujoco/mjx/_src/collision_driver.py
+++ b/mjx/mujoco/mjx/_src/collision_driver.py
@@ -38,7 +38,6 @@ in order to guarantee static shapes for contacts and jacobians.
 """
 
 import itertools
-import os
 from typing import Dict, Iterator, List, Tuple, Union
 
 import jax