Conte is a short-term solution, but that could work to our advantage. There aren't many great options out there at the moment, but Ole needs to go regardless.
If Conte only ends up staying for 18 months or so, he'd still pretty much guarantee an upswing in results and performances. It's also likely that he'd win silverware during that time as well. Unlike Jose, Conte doesn't leave clubs in a toxic mess because he resigns before it comes to that. Look at Juve, Chelsea, Inter, post-Conte for example. He left before things went downhill, once it was clear that it wasn't going to work, and they all continued to be successful under new management.
We're going to need to rebuild at some point soon with Pogba, Martial, Ronaldo, Cavani, Mata, Matic all very likely to be leaving within the next few seasons regardless. Let's bring in Conte to get the most out of these players and if he leaves at the end of next season with a trophy or two then so be it.
There are many up and coming managers who could be available then that are better for the long-term.