I am non-resident canadian since Oct 2015, I filled my last departure return in 2016 for tax year 2015.

Recently I bought my Ist property in Canada and declare as a rental property (Hired a property manager to manage the property and collect the non-resident withholding tax on rental income and pass to CRA). I dont have any other canadian sources of income except the rental income. If i Consider this withholding tax is as my final tax obligation, do i still need to file my tax returns.