diff --git a/xos/models.py b/xos/models.py
index 8e19f54..a119fce 100644
--- a/xos/models.py
+++ b/xos/models.py
@@ -2,6 +2,22 @@
 from models_decl import VMMService_decl
 from models_decl import VMMTenant_decl
 
+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 *
+from operator import itemgetter, attrgetter, methodcaller
+from core.models import Tag
+from core.models.service import LeastLoadedNodeScheduler
+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 VMMService(VMMService_decl):
    class Meta:
         proxy = True