is bleach episode 156 filler?

As a wounded Uryū Ishida faces off against Cirucci Sanderwicci, a frightened Pesche Guatiche watches from behind a doorway leading into the chamber and chastises himself for following the weakest-looking member of the group, having ranked Ichigo Kurosaki and his friends from strongest to weakest as Yasutora Sado, 6th Division Lieutenant Renji Abarai, Ichigo, Rukia Kuchiki, and Uryū, before pondering whether or not to help Uryū since Cirucci is so strong.