From fe34afc13aee0d9c71bd1dca1327ef1eaddf73a6 Mon Sep 17 00:00:00 2001
From: John Perkins <john.d.perkins@gmail.com>
Date: Thu, 21 Apr 2016 22:38:28 -0600
Subject: [PATCH] Decorate AvailabilityZonePluginBase properly

Without this, users could improperly overlook either
get_availability_zones or validate_availability_zones.

Change-Id: I6530dca041a92da2f1d0bf01d359e5edea3df5c0
Closes-Bug: #1573388
---
 neutron/extensions/availability_zone.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/neutron/extensions/availability_zone.py b/neutron/extensions/availability_zone.py
index ec94dc4a2e8..94f04447b0c 100644
--- a/neutron/extensions/availability_zone.py
+++ b/neutron/extensions/availability_zone.py
@@ -15,6 +15,7 @@
 import abc
 
 from oslo_serialization import jsonutils
+import six
 
 from neutron._i18n import _
 from neutron.api import extensions
@@ -122,6 +123,7 @@ class Availability_zone(extensions.ExtensionDescriptor):
             return {}
 
 
+@six.add_metaclass(abc.ABCMeta)
 class AvailabilityZonePluginBase(object):
     """REST API to operate the Availability Zone."""