debug on num of sensors

src/preprocess.py

@@ -105,7 +105,8 @@ def mqttOnMessageCallback(client, userdata, message):
             sendSetupMessage = True
         num_of_sensors = len(device['sensors'])
         sensors = { x['address']:[x['index'], x['label']] for x in device['sensors']}
-
+        logger.debug(f"{sensors=}, {num_of_sensors=}")
+        
         frame = base64.b64decode(parse_payload['uplink_message']['frm_payload'])
         status = struct.unpack('<H', frame[0:2])[0]
         u_bat = struct.unpack('<H', frame[2:4])[0]