Good that the sync work again I was a little bit too fast with development. Next time I create more tests.
About One Piece:
Trakt is using the total number and TMDB is using the relative number. I didn’t fix it yet, but I have an eye on it.
https://trello.com/c/hkZcDjPC/136-hande-trakt-total-number-when-tmdb-has-relative-number