Rental property vacant when listed for sale

I bought condo in 2012, lived there till June 2015. I rented it for 2 years till Aug 2017. In May 2017 I listed it for sale. Since I wanted to sell it, I didn't rent it or advertise in any form to rent it. When I first listed it for sale in May 2017, it was still rental as the lease had not completed. But the property didn't sell in 2017. After the lease expired and my tenant moved out, my condo was vacant from mid Aug 2017 till end of the year. Is the property still considered rental property? Do I report the income and all the mortgage interest, taxes etc in the rental income section?