Fix Ruff cleanups

demo_app/demo_app/settings_test.py

@@ -1,18 +1,19 @@
 # -*- coding: utf-8 -*-
 
+import os
 import warnings
 
 from .settings import *  # noqa: F403,F401
 
 # Handle system warning as log messages
 warnings.simplefilter("once")
 
-for handler in LOGGING.get("handlers", []):
-    LOGGING["handlers"][handler]["level"] = "CRITICAL"
-for logger in LOGGING.get("loggers", []):
-    LOGGING["loggers"][logger]["level"] = "CRITICAL"
+for handler in LOGGING.get("handlers", []):  # noqa: F405
+    LOGGING["handlers"][handler]["level"] = "CRITICAL"  # noqa: F405
+for logger in LOGGING.get("loggers", []):  # noqa: F405
+    LOGGING["loggers"][logger]["level"] = "CRITICAL"  # noqa: F405
 
-mysql_db = DATABASES["default"]
+mysql_db = DATABASES["default"]  # noqa: F405
 DEFAULT_DB = {
     "ENGINE": "django.db.backends.sqlite3",
     "NAME": ":memory:",