def nside2pixarea(nside, degrees=False):
    """Drop-in replacement for healpy `~healpy.pixelfunc.nside2pixarea`."""
    area = nside_to_pixel_area(nside)
    if degrees:
        return area.to(u.deg ** 2).value
    else:
        return area.to(u.sr).value
Drop-in replacement for healpy `~healpy.pixelfunc.nside2pixarea`.