Ditched get_parent_url() model method in favor of overrideable get_return_url() view method

netbox/ipam/models.py

@@ -578,6 +578,3 @@ class Service(CreatedUpdatedModel):
 
     def __unicode__(self):
         return u'{} ({}/{})'.format(self.name, self.port, self.get_protocol_display())
-
-    def get_parent_url(self):
-        return self.device.get_absolute_url()

netbox/ipam/views.py

@@ -760,6 +760,9 @@ class ServiceEditView(PermissionRequiredMixin, ObjectEditView):
             obj.device = get_object_or_404(Device, pk=kwargs['device'])
         return obj
 
+    def get_return_url(self, obj):
+        return obj.device.get_absolute_url()
+
 
 class ServiceDeleteView(PermissionRequiredMixin, ObjectDeleteView):
     permission_required = 'ipam.delete_service'