reorganize imports with ruff

sith/urls.py

@@ -30,14 +30,12 @@ Including another URLconf
     2. Add a URL to urlpatterns:  url(r'^blog/', include(blog_urls))
 """
 
-from django.urls import include, path
-from django.contrib import admin
+from ajax_select import urls as ajax_select_urls
 from django.conf import settings
 from django.conf.urls.static import static
+from django.contrib import admin
+from django.urls import include, path
 from django.views.i18n import JavaScriptCatalog
-from ajax_select import urls as ajax_select_urls
-
-import core.urls
 
 js_info_dict = {"packages": ("sith",)}