fix filter with calendar_dates
fix filter with calendar_dates

ranmocy/rCaltrain,paulirish/caltrainschedule.io,paulirish/caltrainschedule.io,ranmocy/rCaltrain,ranmocy/rCaltrain,ranmocy/rCaltrain,ranmocy/rCaltrain,paulirish/caltrainschedule.io,ranmocy/rCaltrain