From a9edb7cfb64dfa3f26f4dd81b82d212ce5aa4c91 Mon Sep 17 00:00:00 2001
From: zengchen <chenzeng2@huawei.com>
Date: Tue, 28 Mar 2017 18:00:02 +0800
Subject: [PATCH] Fix: reference an undefined attribute of 'msg' of Exception

Change-Id: Ie1b0d61ba9e9118ca92240fa844c025b98a42d82
Closes-Bug: #1676804
---
 karbor/api/v1/providers.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/karbor/api/v1/providers.py b/karbor/api/v1/providers.py
index 34a86254..0639458c 100644
--- a/karbor/api/v1/providers.py
+++ b/karbor/api/v1/providers.py
@@ -421,8 +421,9 @@ class ProvidersController(wsgi.Controller):
             checkpoint_id = self.protection_api.protect(context, plan,
                                                         checkpoint_properties)
         except Exception as error:
-            msg = _("Create checkpoint failed: %s") % error.msg
+            msg = _("Create checkpoint failed: %s") % error
             raise exc.HTTPBadRequest(explanation=msg)
+
         checkpoint_properties['id'] = checkpoint_id
 
         LOG.info("Create the checkpoint successfully. checkpoint_id:%s",