Changed to the recommended way to get the addon user data folder

as described here https://kodi.wiki/view/Add-on_rules

Author: AmineI

resources/arts.py

@@ -13,7 +13,7 @@
 monthsBeforeArtsExpiration = int(__addon__.getSetting("arts-expire-after-months"))  # Default is 2 months
 
 # define the cache file to reside in the ..\Kodi\userdata\addon_data\(your addon)
-addonUserDataFolder = xbmc.translatePath(__addon__.getAddonInfo('profile'))
+addonUserDataFolder = xbmc.translatePath(__addon__.getAddonInfo('profile')).decode('utf-8')
 ART_AVAILABILITY_CACHE_FILE = xbmc.translatePath(os.path.join(addonUserDataFolder, 'requests_cache_arts'))
 
 cached_requests = requests_cache.core.CachedSession(ART_AVAILABILITY_CACHE_FILE, backend='sqlite',

resources/steam.py

@@ -14,7 +14,7 @@
 
 __addon__ = xbmcaddon.Addon()
 # define the cache file to reside in the ..\Kodi\userdata\addon_data\(your addon)
-addonUserDataFolder = xbmc.translatePath(__addon__.getAddonInfo('profile'))
+addonUserDataFolder = xbmc.translatePath(__addon__.getAddonInfo('profile')).decode('utf-8')
 STEAM_GAMES_CACHE_FILE = xbmc.translatePath(os.path.join(addonUserDataFolder, 'requests_cache_games'))
 minutesBeforeGamesListsExpiration = int(xbmcplugin.getSetting(int(sys.argv[1]), "games-expire-after-minutes"))  # Default is 3 days