From e68fc821cf02dd53cd18e608696f907f2d59272f Mon Sep 17 00:00:00 2001
From: Alexandre Aubin <alex.aubin@mailoo.org>
Date: Sun, 14 Aug 2022 18:07:04 +0200
Subject: [PATCH] bullseye migration: trash pip freeze stderr because it's
 confusing users ...

---
 src/yunohost/data_migrations/0021_migrate_to_bullseye.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/yunohost/data_migrations/0021_migrate_to_bullseye.py b/src/yunohost/data_migrations/0021_migrate_to_bullseye.py
index ce7d25262..e8f664675 100644
--- a/src/yunohost/data_migrations/0021_migrate_to_bullseye.py
+++ b/src/yunohost/data_migrations/0021_migrate_to_bullseye.py
@@ -66,7 +66,7 @@ def _backup_pip_freeze_for_python_app_venvs():
     venvs = _get_all_venvs("/opt/") + _get_all_venvs("/var/www/")
     for venv in venvs:
         # Generate a requirements file from venv
-        os.system(f"{venv}/bin/pip freeze > {venv}{VENV_REQUIREMENTS_SUFFIX}")
+        os.system(f"{venv}/bin/pip freeze > {venv}{VENV_REQUIREMENTS_SUFFIX} 2>/dev/null")
 
 
 class MyMigration(Migration):