adding loop timeout gt zero

if not set, loop() default timeout is zero and MQTT default loop() timeout is one, which will raise an MMQTTException.

Author: jersu11

examples/aws_iot_native_networking.py

@@ -118,6 +118,6 @@ def message(client, topic, msg):
 # NOTE: NO code below this loop will execute
 # NOTE: Network reconnection is NOT handled within this loop
 while True:
-    aws_iot.loop()
+    aws_iot.loop(10)
 
     time.sleep(1)

examples/aws_iot_shadows.py

@@ -163,14 +163,14 @@ def message(client, topic, msg):
 # Pump the message loop forever, all events
 # are handled in their callback handlers
 # while True:
-#   aws_iot.loop()
+#   aws_iot.loop(10)
 
 # Start a blocking message loop...
 # NOTE: NO code below this loop will execute
 # NOTE: Network reconnection is handled within this loop
 while True:
     try:
-        aws_iot.loop()
+        aws_iot.loop(10)
     except (ValueError, RuntimeError) as e:
         print("Failed to get data, retrying\n", e)
         wifi.reset()

examples/aws_iot_simpletest.py

@@ -160,14 +160,14 @@ def message(client, topic, msg):
 # Pump the message loop forever, all events
 # are handled in their callback handlers
 # while True:
-#   aws_iot.loop()
+#   aws_iot.loop(10)
 
 # Start a blocking message loop...
 # NOTE: NO code below this loop will execute
 # NOTE: Network reconnection is handled within this loop
 while True:
     try:
-        aws_iot.loop()
+        aws_iot.loop(10)
     except (ValueError, RuntimeError) as e:
         print("Failed to get data, retrying\n", e)
         wifi.reset()