Making the code style checker happy

preload/menu.py

@@ -5,7 +5,12 @@ You can customize this script however you want :)  If you want to go back to
 the default version, just delete this file; the firmware will recreate it on
 next run.
 """
-import buttons, color, display, os, ujson, sys
+import buttons
+import color
+import display
+import os
+import ujson
+import sys
 
 def read_metadata(app_folder):
     try: