More flake8 fixes

resources/lib/functions.py

@@ -24,7 +24,7 @@ from .loghandler import LazyLogger
 from .menu_functions import display_main_menu, display_menu, show_movie_alpha_list, show_tvshow_alpha_list, show_genre_list, show_search, show_movie_pages
 from .server_sessions import show_server_sessions
 from .action_menu import ActionMenu
-from .dialogs import BitrateDialog, SafeDeleteDialog
+from .dialogs import BitrateDialog
 from .widgets import get_widget_content, get_widget_content_cast, check_for_new_content
 from . import trakttokodi
 from .cache_images import CacheArtwork

resources/lib/server_sessions.py

@@ -3,6 +3,7 @@ from __future__ import division, absolute_import, print_function, unicode_litera
 import sys
 import xbmcgui
 import xbmcplugin
+import xbmcaddon
 
 from .loghandler import LazyLogger
 from .item_functions import get_art