fix typo

application/luniebox.py

@@ -9,7 +9,6 @@ import subprocess
 import time
 from enum import Enum
 from configparser import ConfigParser
-from turtle import update
 import RPi.GPIO as GPIO
 from spotifydl import SpotifyDL, SpotifyDLStatus
 from mpd import MPDClient
@@ -370,7 +369,7 @@ class Luniebox(object):
     def mpd_list(self, path=''):
         if self.mpd_connect():
             try:
-                self.mpd(update(path))
+                self.mpd.update(path)
                 result = self.mpd.listfiles(path)
                 return sorted(result, key=self.sort_mpd)
             except: