is one piece episode 297 filler?

Franky manages to get Tony Tony Chopper out of the sea; Chopper has completely returned back to normal. Chopper, who is unconscious, gets the water blown out of him by Franky.

As he is doing so, he is interrupted by Chimney and Gonbe who lets him know that they know how to get to the Gates of Justice. They head over to the gates, finding Kokoro there.

Kokoro informs them that Chopper is okay, but still unconscious. After realizing that Nico Robin is still in danger, Franky runs off.

Roronoa Zoro continues fighting Kaku after being freed from his handcuffs.