Send data as single "packet" instead of multiple

raspberry/python/uart2mqtt.py

@@ -80,18 +80,16 @@ with serial.Serial(uart_name, uart_baud_rate, timeout=2) as uart:
 
             # Formatting data for sending to MQTT broker (one source at a time)
             for s in data.items():
-                mqtt_data = []
                 for d in s[1].items():
                     payload = json.dumps({"date":  reception_date,
                                           "value": d[1],
                                           "unit":  data_unit[d[0]],
                                           "type":  data_type[d[0]]})
-                    mqtt_data.append({'topic':   "{}/{}".format(mqtt_topic, s[0]),
-                                      'payload': payload,
-                                      'qos':     2,
-                                      'retain':  True})
-                pprint.pprint(mqtt_data)
-                mqtt.multiple(mqtt_data,
+                    print(payload)
+                    mqtt.single("{}/{}".format(mqtt_topic, s[0]),
+                                payload=    payload             ,
+                                qos=        2                   ,
+                                retain=     True                ,
                                 hostname=   mqtt_host           ,
                                 port=       mqtt_port           ,
                                 client_id=  mqtt_client_id      ,