Use django-crud-mixins for CRUD helpers

core/views/assets.py

@@ -1,9 +1,9 @@
 from django.contrib.auth.mixins import LoginRequiredMixin
+from mixins.views import AbortSave, ObjectCreate, ObjectDelete, ObjectList, ObjectUpdate
 
 from core.forms import AssetGroupForm, AssetRestrictionForm
 from core.models import AssetGroup, AssetRestriction
 from core.util import logs
-from core.views import AbortSave, ObjectCreate, ObjectDelete, ObjectList, ObjectUpdate
 
 log = logs.get_logger(__name__)