Remove cacheops monkey patch for RestrictedQuerySet

netbox/netbox/__init__.py

@@ -1,17 +0,0 @@
-from cacheops.query import ManagerMixin, no_invalidation, _old_objs
-
-
-# Monkey-patch cacheops' _pre_save() signal receiver. This is needed to mark the sending model's QuerySet as
-# unrestricted.
-def _pre_save(self, sender, instance, using, **kwargs):
-    if not (instance.pk is None or instance._state.adding or no_invalidation.active):
-        try:
-            qs = sender.objects.using(using)
-            if hasattr(qs, 'restrict'):
-                qs = qs.unrestricted()
-            _old_objs.__dict__[sender, instance.pk] = qs.get(pk=instance.pk)
-        except sender.DoesNotExist:
-            pass
-
-
-ManagerMixin._pre_save = _pre_save