From df2256b9350b96db821306b30250367d8a181fac Mon Sep 17 00:00:00 2001
From: Lennard Klein <1254068+lennardk@users.noreply.github.com>
Date: Mon, 5 Nov 2018 22:20:05 +0100
Subject: [PATCH] Make 'online' message retained again

When a consumer starts after py-otgw-mqtt, it previously received the last-will 'offline' message from the top level topic, even while py-otgw-mqtt is still running.
---
 __main__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/__main__.py b/__main__.py
index 10d9b7f..dc2819f 100644
--- a/__main__.py
+++ b/__main__.py
@@ -53,7 +53,7 @@ def on_mqtt_connect(client, userdata, flags, rc):
         topic=opentherm.topic_namespace,
         payload="online",
         qos=settings['mqtt']['qos'],
-        retain=settings['mqtt']['retain'])
+        retain=True)
 
 def on_mqtt_message(client, userdata, msg):
     # Handle incoming messages