is one piece episode 174 filler?

Conis, Pagaya and Aisa are aboard the Going Merry and Pagaya has given Nami the refurbished Waver which Nami test drove and commented on it being power-packed. Pagaya questioned what to do since some of the crew members were not aboard, so they could not be led out of Skypiea by Pagaya and Conis.

Nami stated she needed to take the ship to their point of rendezvous and since the four are together, she is not so worried. Aisa then told her that there is no group bigger than two at Upper Yard or else she would know.

Nami attributed the response to Aisa's ability of Mantra.