From 8c367af0ff70f7baa8b44079ca080ce75ccdf482 Mon Sep 17 00:00:00 2001
From: Mads Marquart <madsmtm@gmail.com>
Date: Sun, 5 Jan 2020 20:47:31 +0100
Subject: [PATCH] Fix Python 2.7 errors

---
 fbchat/_mqtt.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fbchat/_mqtt.py b/fbchat/_mqtt.py
index 8504a3e..c7ce350 100644
--- a/fbchat/_mqtt.py
+++ b/fbchat/_mqtt.py
@@ -11,7 +11,7 @@ def generate_session_id():
 
 
 @attr.s(slots=True)
-class Mqtt:
+class Mqtt(object):
     _state = attr.ib()
     _mqtt = attr.ib()
     _on_message = attr.ib()
@@ -62,7 +62,7 @@ class Mqtt:
             OSError,
             paho.mqtt.client.WebsocketConnectionError,
         ) as e:
-            raise _exception.FBchatException("MQTT connection failed") from e
+            raise _exception.FBchatException("MQTT connection failed")
 
         # Raise error if connecting failed
         if rc != paho.mqtt.client.MQTT_ERR_SUCCESS: