From 50ad776a32ca5c8df1362d41014333e47770058c Mon Sep 17 00:00:00 2001
From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Mon, 28 Sep 2015 22:11:06 +0900
Subject: packet: lldp: python3 fix

iterator doesn't has next method.

Reported-by: Takeshi <a86487817@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Tested-by: Takeshi <a86487817@gmail.com>
---
 ryu/topology/switches.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ryu/topology/switches.py b/ryu/topology/switches.py
index f4198389..5fe5d264 100644
--- a/ryu/topology/switches.py
+++ b/ryu/topology/switches.py
@@ -14,6 +14,7 @@
 # limitations under the License.
 
 import logging
+import six
 import struct
 import time
 import json
@@ -460,10 +461,10 @@ class LLDPPacket(object):
     def lldp_parse(data):
         pkt = packet.Packet(data)
         i = iter(pkt)
-        eth_pkt = i.next()
+        eth_pkt = six.next(i)
         assert type(eth_pkt) == ethernet.ethernet
 
-        lldp_pkt = i.next()
+        lldp_pkt = six.next(i)
         if type(lldp_pkt) != lldp.lldp:
             raise LLDPPacket.LLDPUnknownFormat()
 
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