diff --git a/xos/attic/header.py.orig b/xos/attic/header.py.orig
new file mode 100644
index 0000000..1ba8b4d
--- /dev/null
+++ b/xos/attic/header.py.orig
@@ -0,0 +1,24 @@
+from django.db import models
+from core.models import Service, PlCoreBase, Slice, Instance, Tenant, TenantWithContainer, Node, Image, User, Flavor, NetworkParameter, NetworkParameterType, Port, AddressPool
+from core.models.plcorebase import StrippedCharField
+import os
+from django.db import models, transaction
+from django.forms.models import model_to_dict
+from django.db.models import Q
+from operator import itemgetter, attrgetter, methodcaller
+from core.models import Tag
+from core.models.service import LeastLoadedNodeScheduler
+from services.volt.models import CordSubscriberRoot
+import traceback
+from xos.exceptions import *
+from xos.config import Config
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes.fields import GenericForeignKey
+
+class ConfigurationError(Exception):
+    pass
+
+VTR_KIND = "vTR"
+
+CORD_USE_VTN = getattr(Config(), "networking_use_vtn", False)
+