From 0fb2bbae4f9cc512b824af73dac079720d6ff285 Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <yamahata@valinux.co.jp>
Date: Mon, 13 May 2013 12:03:25 +0900
Subject: [PATCH] ofproto_parser: simplify msg_str_attr() a bit

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
 ryu/ofproto/ofproto_parser.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/ryu/ofproto/ofproto_parser.py b/ryu/ofproto/ofproto_parser.py
index 5b4cf24c..5d170ca8 100644
--- a/ryu/ofproto/ofproto_parser.py
+++ b/ryu/ofproto/ofproto_parser.py
@@ -150,10 +150,7 @@ def msg_pack_into(fmt, buf, offset, *args):
 def msg_str_attr(msg, buf, attr_list=None):
     if attr_list is None:
         exclude = ['_attributes']
-        try:
-            exclude += msg._attributes
-        except AttributeError:
-            pass
+        exclude += getattr(msg, '_attributes', [])
         attr_list = set(dir(msg)) - set(exclude)
     for attr in attr_list:
         val = getattr(msg, attr, None)