From 55e0097545cfbf14f94b03edca2a8099bc673c3b Mon Sep 17 00:00:00 2001
From: IWASE Yusuke <iwase.yusuke0@gmail.com>
Date: Mon, 22 Aug 2016 17:21:28 +0900
Subject: packet/bgp: Fix to serialize BGPNotification on Python3

Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
 ryu/lib/packet/bgp.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ryu/lib/packet/bgp.py b/ryu/lib/packet/bgp.py
index 697eff3a..5846dbad 100644
--- a/ryu/lib/packet/bgp.py
+++ b/ryu/lib/packet/bgp.py
@@ -3321,7 +3321,7 @@ class BGPNotification(BGPMessage):
     def __init__(self,
                  error_code,
                  error_subcode,
-                 data='',
+                 data=b'',
                  type_=BGP_MSG_NOTIFICATION, len_=None, marker=None):
         super(BGPNotification, self).__init__(marker=marker, len_=len_,
                                               type_=type_)
-- 
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