prevents duplicate-key constraint from causing error by get_or_create'ing AssetSnapshot for the version
prevents duplicate-key constraint from causing error
by get_or_create'ing AssetSnapshot for the version
kobotoolbox/kpi,kobotoolbox/kpi,onaio/kpi,onaio/kpi,kobotoolbox/kpi,onaio/kpi,kobotoolbox/kpi,kobotoolbox/kpi,onaio/kpi