is one piece episode 100 filler?

The Straw Hats, Vivi and Ace are still traveling together on their way to the Yuba Oasis. Vivi intends to meet with the rebel army there.

Luffy and Usopp, thirsty and tired, began struggling with each to get a drink of water from the skin bottle. Sanji decides to save his for Nami and Vivi, but Luffy tries to take his water bottle away from him.

At that point, Luffy, Usopp and Sanji begin fighting over the water in the skin bottle. Nami asks Vivi to tell her more about the Rebel army and Vivi went to tell her of the events that occurred 11 years back.