From 34bb39dad59b8a10d6ef2ee139f69460a5cadc3d Mon Sep 17 00:00:00 2001
From: pierrejeambrun <pierrejbrun@gmail.com>
Date: Mon, 19 Jan 2026 17:14:06 +0100
Subject: [PATCH] Revert Fix breeze start-airflow mprocs output interference
 #60652

---
 scripts/ci/prek/compile_ui_assets_dev.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/ci/prek/compile_ui_assets_dev.py b/scripts/ci/prek/compile_ui_assets_dev.py
index c2a26f5ad08dd..8e98a0708f4a4 100755
--- a/scripts/ci/prek/compile_ui_assets_dev.py
+++ b/scripts/ci/prek/compile_ui_assets_dev.py
@@ -79,9 +79,10 @@
             stderr=subprocess.STDOUT,
         )
 
-    subprocess.Popen(
+    subprocess.run(
         ["pnpm", "dev"],
         cwd=os.fspath(UI_DIRECTORY),
+        check=True,
         env=env,
         stdout=open(UI_ASSET_OUT_DEV_MODE_FILE, "a"),
         stderr=subprocess.STDOUT,