Replace black/isort with ruff (#188)

* Replace black/isort with ruff

* fix typo

django_q/worker.py

@@ -5,9 +5,9 @@ from multiprocessing.process import current_process
 from multiprocessing.queues import Queue
 
 from django import core
+from django.apps.registry import apps
 from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
-from django.apps.registry import apps
 
 try:
     apps.check_apps_ready()