From 51a86c4d568ecc7ff08182b69e4b949bc9ec9876 Mon Sep 17 00:00:00 2001
From: 胡鼎原 <hdyvip@gmail.com>
Date: Mon, 15 May 2017 11:17:39 +0800
Subject: fix dhcp6.py bug using python3

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
 ryu/lib/packet/dhcp6.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ryu/lib/packet/dhcp6.py b/ryu/lib/packet/dhcp6.py
index b3753dc1..3f917433 100644
--- a/ryu/lib/packet/dhcp6.py
+++ b/ryu/lib/packet/dhcp6.py
@@ -222,7 +222,7 @@ class options(stringify.StringifyMixin):
         return cls(opt_parse_list, len(buf))
 
     def serialize(self):
-        seri_opt = ""
+        seri_opt = bytes()
         for opt in self.option_list:
             seri_opt += opt.serialize()
         if self.options_len == 0:
-- 
cgit v1.2.3