complaint in such court against such city within the time named,
setting forth the action of such board in respect to such assessment
or award and stating the facts relied upon as showing an error on
the part of such board. Such court shall rehear the matter of such
assessment or award de novo, and confirm, lower or increase the same,
as may seem just. In case such court shall reduce the amount of benefit
assessed against the land of such property-holder ten per cent. of the
assessment by said board, or increase the amount of damages awarded
in his favor ten per cent. of the amount awarded by such board, the
plaintiff in such suit shall recover costs, otherwise not. The amount
of the judgment in such court shall be final, and no appeal shall lie
therefrom.