From 452533db177c0526cb7bf5d2dfd5ad9308fa077a Mon Sep 17 00:00:00 2001
From: Fabio Manganiello <info@fabiomanganiello.com>
Date: Mon, 8 Feb 2021 01:44:26 +0100
Subject: [PATCH] Fixed MQTT over SSL default version spec in case the
 parameter is not a string

---
 platypush/plugins/mqtt.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/platypush/plugins/mqtt.py b/platypush/plugins/mqtt.py
index fa6e78892..a0c53c95c 100644
--- a/platypush/plugins/mqtt.py
+++ b/platypush/plugins/mqtt.py
@@ -82,7 +82,12 @@ class MqttPlugin(Plugin):
         if not version:
             return None
 
-        version = version.lower()
+        if type(version) == type(ssl.PROTOCOL_TLS):
+            return version
+
+        if isinstance(version, str):
+            version = version.lower()
+
         if version == 'tls':
             return ssl.PROTOCOL_TLS
         if version == 'tlsv1':