Transavia are a great airline!
They have always been dynamic with their fleet, leasing in and out various types constantly. They even leased 732s to British Airways before the delivery of their own aircraft in full BA
Their Basiq Air operation is also innovative in that it is a LCC but integrated into Transavia's own fleet ops. So no problems with establishing separate management or fleets.
They are an interesting carrier to watch as they always seem to be doing something new, or doing something differently.
Lead me not into temptation, I can find my own way there...