Fixes [this issue](GoogleCloudPlatform#1141). (GoogleCloudPlatform#1144)

gguuss · Jon Wayne Parrott · commit 1cd911dab560 · 2017-09-27T14:10:23.000-07:00
diff --git a/iot/api-client/mqtt_example/cloudiot_mqtt_example.py b/iot/api-client/mqtt_example/cloudiot_mqtt_example.py
@@ -127,7 +127,10 @@ def parse_command_line_args():
             default='mqtt.googleapis.com',
             help='MQTT bridge hostname.')
     parser.add_argument(
-            '--mqtt_bridge_port', default=8883, help='MQTT bridge port.')
+            '--mqtt_bridge_port',
+            default=8883,
+            type=int,
+            help='MQTT bridge port.')
 
     return parser.parse_args()
 
