[fix] undefined notice for feed
[fix] undefined notice for feed

aarizkuren/wallabag,FabienM/wallabag,ekospinach/wallabag,FabienM/wallabag,FabienM/wallabag,kevmeyer/wallabag,aarizkuren/wallabag,antoniosejas/wallabag,wangjun/wallabag,aarizkuren/wallabag,harikt/wallabag,wallabag/wallabag,ekospinach/wallabag,kevmeyer/wallabag,wallabag/wallabag,shtrom/wallabag,antoniosejas/wallabag,egilli/wallabag,pmichelazzo/wallabag,egilli/wallabag,pmichelazzo/wallabag,milanaleksic/wallabag,wangjun/wallabag,aarizkuren/wallabag,modos189/wallabag,kwangkim/wallabag,harikt/wallabag,egilli/wallabag,freddyb/wallabag,kevmeyer/wallabag,X-dark/wallabag,shtrom/wallabag,ekospinach/wallabag,mubassirhayat/wallabag,pmichelazzo/wallabag,X-dark/wallabag,egilli/wallabag,FabienM/wallabag,shtrom/wallabag,harikt/wallabag,shtrom/wallabag,X-dark/wallabag,antoniosejas/wallabag,wangjun/wallabag,pmichelazzo/wallabag,mubassirhayat/wallabag,shtrom/wallabag,modos189/wallabag,X-dark/wallabag,freddyb/wallabag,egilli/wallabag,freddyb/wallabag,wallabag/wallabag,X-dark/wallabag,kwangkim/wallabag,milanaleksic/wallabag,kevmeyer/wallabag,mubassirhayat/wallabag,pmichelazzo/wallabag,modos189/wallabag,kwangkim/wallabag,milanaleksic/wallabag