Potential inherited tenant behind on rent

[Ashly McGlasson]

We are supposed to be closing on on a property Nov. 22. The seller told us everyone was paid up and no one was behind. We did another walk though inspection with the current manager, and she informed us that one tenant was 5 months behind. 

What should we do? Make the seller handle it? Can we start the eviction as soon as we take ownership? Cash for keys? She's still in a year lease until April. But would rather have an empty unit to fill than a non paying tenant to kick out. Anyone that can help I'd appreciate!!