:space_invader: nil check for map download status
:space_invader: nil check for map download status

nypl-spacetime/nypl-warper,NYPL/nypl-warper,nypl-spacetime/nypl-warper,NYPL/nypl-warper,nypl-spacetime/nypl-warper,nypl-spacetime/nypl-warper,NYPL/nypl-warper,NYPL/nypl-warper