update notification fix
update notification fix

googledatalab/datalab,yebrahim/datalab,yebrahim/datalab,yebrahim/datalab,craigcitro/datalab,craigcitro/datalab,googledatalab/datalab,googledatalab/datalab,craigcitro/datalab,parthea/datalab,craigcitro/datalab,parthea/datalab,parthea/datalab,parthea/datalab,craigcitro/datalab,parthea/datalab,parthea/datalab,yebrahim/datalab,yebrahim/datalab,googledatalab/datalab,googledatalab/datalab,googledatalab/datalab