Fix TimeDeltaMissingUnitWarning in plot_airmass#611
Open
H-xie wants to merge 1 commit intoastropy:mainfrom
Open
Fix TimeDeltaMissingUnitWarning in plot_airmass#611H-xie wants to merge 1 commit intoastropy:mainfrom
TimeDeltaMissingUnitWarning in plot_airmass#611H-xie wants to merge 1 commit intoastropy:mainfrom
