adopts same method interface as client

Author: jersu11

adafruit_aws_iot.py

@@ -222,7 +222,7 @@ def _on_unsubscribe_mqtt(
             self.on_unsubscribe(self, user_data, topic, pid)
 
     # MiniMQTT Network Control Flow
-    def loop(self) -> None:
+    def loop(self, timeout: float = 0) -> None:
         """Starts a synchronous message loop which maintains connection with AWS IoT.
         Must be called within the keep_alive timeout specified to init.
         This method does not handle network connection/disconnection.
@@ -235,7 +235,7 @@ def loop(self) -> None:
 
         """
         if self.connected_to_aws:
-            self.client.loop()
+            self.client.loop(timeout)
 
     @staticmethod
     def validate_topic(topic: str) -> None: