From 6efa81cd72f0174cfea14171dca0ed17378c2097 Mon Sep 17 00:00:00 2001
From: Nicola Peditto <n.peditto@gmail.com>
Date: Tue, 25 Jun 2019 13:23:34 +0200
Subject: [PATCH] LR v0.4.10: fix backward compatibility in WampMessage class

Change-Id: Ia86fee037a463d788129c77aef24c4fb14c8be3b
---
 iotronic_lightningrod/wampmessage.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/iotronic_lightningrod/wampmessage.py b/iotronic_lightningrod/wampmessage.py
index 2f56e8a..f0dcc2e 100644
--- a/iotronic_lightningrod/wampmessage.py
+++ b/iotronic_lightningrod/wampmessage.py
@@ -29,10 +29,11 @@ def deserialize(received):
 
 
 class WampMessage(object):
-    def __init__(self, message, result, req_id):
+    def __init__(self, message, result, req_id=None):
         self.message = message
         self.result = result
-        self.req_id = req_id
+        if req_id != None:
+            self.req_id = req_id
 
     def serialize(self):
         return json.dumps(self, default=lambda o: o.__dict__)