is one piece episode 273 filler?

The Three-Headed Judge reports in to Spandam informing him that the pirates have now made their way into the Courthouse. The Three-Headed Judge proceeds to inform the pirates that they had entered a place of "sacred judgement" and begins a trial.

Zambai and the Franky Family tell Zoro and Nami to make their way to the roof where Luffy is already fighting while Yokozuna and them prevent any of the Marines from flanking them.