From 1524c172a403976a9c35131ecf982ffc7cd4e49c Mon Sep 17 00:00:00 2001
From: Lizhi Zhou <1432185+reasonsolo@users.noreply.github.com>
Date: Wed, 28 Jan 2026 14:55:55 +0800
Subject: [PATCH] [https://nvbugs/5821433][fix] WAR for popen in QA env
 (#10989)

Signed-off-by: Lizhi Zhou <1432185+reasonsolo@users.noreply.github.com>
Signed-off-by: Wangshanshan <30051912+dominicshanshan@users.noreply.github.com>
---
 tests/integration/defs/disaggregated/test_auto_scaling.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/integration/defs/disaggregated/test_auto_scaling.py b/tests/integration/defs/disaggregated/test_auto_scaling.py
index 0f31ce54c7..038049109d 100644
--- a/tests/integration/defs/disaggregated/test_auto_scaling.py
+++ b/tests/integration/defs/disaggregated/test_auto_scaling.py
@@ -147,14 +147,14 @@ def _run_worker(model_name,
         env = os.environ.copy()
         log_file = None
         log_path = None
+        stdout = None
+        stderr = None
         if save_log:
             log_path = os.path.join(work_dir, f"worker_{role}_{port}.log")
             log_file = open(log_path, "w+")
             stdout = log_file
             stderr = log_file
-        else:
-            stdout = sys.stdout
-            stderr = sys.stderr
+
         if device != -1:
             env["CUDA_VISIBLE_DEVICES"] = str(device)
         print(f"Running {role} on port {port}")