2017-01-30T12:00-0300/2017-03-30T00:00-0300

sale_price_effective_date = current_row['sale_price_effective_date'].split("/")
            start_date = sale_price_effective_date[0]
            end_date = sale_price_effective_date[1]
            print start_date
            print end_date

if (end_date-start_date)>datetime.now():
      //do something