style: apply ruff auto-fix

- Auto-formatted code with ruff format
- Applied ruff linting fixes with --fix

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

tests/test_settings_sync.py

@@ -163,6 +163,7 @@ def test_reload_if_stale_same_version(mock_ensure_ocr, mock_reload, mock_redis,
 @patch("app.utils.config_loader.reload_settings_from_db")
 def test_reload_if_stale_redis_error(mock_reload, mock_redis, mock_connect, reset_last_seen_version, caplog):
     import logging
+
     caplog.set_level(logging.DEBUG)
     mock_decorator = MagicMock()
     mock_connect.return_value = mock_decorator
@@ -184,7 +185,9 @@ def test_reload_if_stale_redis_error(mock_reload, mock_redis, mock_connect, rese
 @patch("app.utils.settings_sync.redis.from_url")
 @patch("app.utils.config_loader.reload_settings_from_db")
 @patch("app.utils.ocr_language_manager.ensure_ocr_languages_async")
-def test_reload_if_stale_ocr_error(mock_ensure_ocr, mock_reload, mock_redis, mock_connect, reset_last_seen_version, caplog):
+def test_reload_if_stale_ocr_error(
+    mock_ensure_ocr, mock_reload, mock_redis, mock_connect, reset_last_seen_version, caplog
+):
     mock_decorator = MagicMock()
     mock_connect.return_value = mock_decorator
     register_settings_reload_signal()