catch a throw coming from source.getTile - refs #1542 mapbox/tilelive-bridge#80
catch a throw coming from source.getTile - refs #1542 mapbox/tilelive-bridge#80

mapbox/mapbox-studio,mapbox/mapbox-studio-classic,Zhao-Qi/mapbox-studio-classic,Zhao-Qi/mapbox-studio-classic,mapbox/mapbox-studio-classic,mapbox/mapbox-studio,mapbox/mapbox-studio,mapbox/mapbox-studio,Zhao-Qi/mapbox-studio-classic,mapbox/mapbox-studio-classic,Zhao-Qi/mapbox-studio-classic,mapbox/mapbox-studio,mapbox/mapbox-studio-classic,Zhao-Qi/mapbox-studio-classic