refactor vMME cord-3.0

Change-Id: I234b0ecf869de31fa7dbe76a2e3db4e2fc0b4e6b
diff --git a/xos/models.py b/xos/models.py
index 9e93636..3c8cf20 100644
--- a/xos/models.py
+++ b/xos/models.py
@@ -2,6 +2,22 @@
 from models_decl import VMMEService_decl
 from models_decl import VMMETenant_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 VMMEService(VMMEService_decl):
    class Meta:
         proxy = True 
@@ -37,4 +53,4 @@
             return
         # Since this code is atomic it is safe to always use the first tenant
         tenant = tenant[0]
-        tenant.manage_container()
\ No newline at end of file
+        tenant.manage_container()