receiver try,except

scripts/serviece/main.py

@@ -11,9 +11,12 @@ def on_connect(client, userdata, flags, rc):
         print("Connected with result code " + str(rc))
     except Exception as e:
         print("db connection error", e)
+    except TypeError:
+        pass
 
 
 def on_message(client, userdata, message):
+    try:
         data_from_mqtt = json.loads(message.payload.decode())
         connection = sqlite3.connect(db_name)
         cursor = connection.cursor()
@@ -26,6 +29,8 @@ def on_message(client, userdata, message):
         datas = cursor.fetchall()
         for row in datas:
             print(row)
+    except TypeError:
+        pass
 
 
 client = mqtt.Client()