make sure we don't set tags to a non-list item
make sure we don't set tags to a non-list item

teodesson/Bookie,skmezanul/Bookie,skmezanul/Bookie,charany1/Bookie,wangjun/Bookie,teodesson/Bookie,adamlincoln/Bookie,GreenLunar/Bookie,teodesson/Bookie,charany1/Bookie,adamlincoln/Bookie,bookieio/Bookie,teodesson/Bookie,pombredanne/Bookie,charany1/Bookie,pombredanne/Bookie,adamlincoln/Bookie,skmezanul/Bookie,GreenLunar/Bookie,GreenLunar/Bookie,wangjun/Bookie,bookieio/Bookie,pombredanne/Bookie,wangjun/Bookie,wangjun/Bookie,skmezanul/Bookie,GreenLunar/Bookie,adamlincoln/Bookie,bookieio/Bookie,bookieio/Bookie