"script.watchlist failed" on every entry to home screen

Code:

20:14:53 T:2844781424    INFO: -->Python script returned the following error<--

20:14:53 T:2844781424   ERROR: Error Type: <type 'exceptions.KeyError'>

20:14:53 T:2844781424   ERROR: Error Contents: ('fanart',)

20:14:53 T:2844781424   ERROR: Traceback (most recent call last):

                                              File "/secure/home/media/.xbmc/addons/script.watchlist/default.py", line 588, in <module>

                                                Main()

                                              File "/secure/home/media/.xbmc/addons/script.watchlist/default.py", line 33, in __init__

                                                self._fetch_info()

                                              File "/secure/home/media/.xbmc/addons/script.watchlist/default.py", line 58, in _fetch_info

                                                self._fetch_tvshows()

                                              File "/secure/home/media/.xbmc/addons/script.watchlist/default.py", line 127, in _fetch_tvshows

                                                item = [tvshow['tvshowid'], tvshow['thumbnail'], tvshow['studio'], tvshow['label'], tvshow['fanart'], []]

                                            KeyError: ('fanart',)

20:14:53 T:2844781424    INFO: -->End of Python script error report<--

Code:

def _fetch_tvshows( self ):

        self.tvshows = []

        # fetch all episodes in one query

        json_query = xbmc.executeJSONRPC('{"jsonrpc": "2.0", "method": "VideoLibrary.GetEpisodes", "params": {"properties": ["title", "playcount", "plot", "season", "episode", "showtitle", "thumbnail", "file", "lastplayed", "rating"], "sort": {"method": "episode"} }, "id": 1}' )

        json_query = unicode(json_query, 'utf-8', errors='ignore')

        json_response = simplejson.loads(json_query)

        if json_response['result'].has_key('episodes'):

            json_response = json_response['result']['episodes']

            # our list is sorted by episode number, secondary we sort by tvshow title (itertools.groupy needs contiguous items) and split it into seperate lists for each tvshow

            [b]episodes = [list(group) for key,group in itertools.groupby(sorted(json_response, key=itemgetter('showtitle')), key=itemgetter('showtitle'))][/b]

        # fetch all tvshows, sorted by title 

        json_query = xbmc.executeJSONRPC('{"jsonrpc": "2.0", "method": "VideoLibrary.GetTVShows", "params": {"properties": ["title", "studio", "thumbnail", "fanart"], "sort": {"method": "title"}}, "id": 1}')

        json_query = unicode(json_query, 'utf-8', errors='ignore')

        json_response = simplejson.loads(json_query)

        if json_response['result'].has_key('tvshows'):

            for count, tvshow in enumerate(json_response['result']['tvshows']):

                item = [tvshow['tvshowid'], tvshow['thumbnail'], tvshow['studio'], tvshow['title'], tvshow['fanart'], []]

                [b]for episodelist in episodes:[/b]

                    if episodelist[0]['showtitle'] == item[3]:

                        item[5] = episodelist

                        break

                self.tvshows.append(item)

        log("tv show list: %s items" % len(self.tvshows))