More cleanup

handler.py

@@ -32,7 +32,7 @@ class MQTTHandler:
         self.handler_id = handler_id
         self.mqtt_config = mqtt_config
 
-        self.topic_base = f"asset/{handler_id}"
+        self.topic_base = f"device/{handler_id}"
         self.status_topic = f"{self.topic_base}/status"
         self.command_topic = f"{self.topic_base}/command"
         self.property_topic = f"{self.topic_base}/property"

main.py

@@ -1,17 +1,13 @@
 #! /usr/bin/env python3
 
-import aiomqtt
 import aioserial
 import asyncio
-import paho
 import socket
 import signal
 
 from ubxhandler import UBXHandler
 from handler import MQTTConfig
 
-BAUD = 115200
-
 
 async def main():
     handler_id = f"example-gps-{socket.gethostname()}"
@@ -19,7 +15,7 @@ async def main():
 
     serial_port = aioserial.AioSerial(
         port="/tmp/ttyV0",
-        baudrate=BAUD,
+        baudrate=115200,
         timeout=0.05,  # 50 ms
     )