minor improvement to only return required columns from .tz.t
minor improvement to only return required columns from .tz.t

danielkrizian/poetiq,skeevey/TorQ,FlyingOE/TorQ,skeevey/TorQ,skeevey/TorQ,FlyingOE/TorQ,danielkrizian/poetiq,AquaQAnalytics/TorQ,FlyingOE/TorQ,AquaQAnalytics/TorQ,danielkrizian/poetiq,AquaQAnalytics/TorQ