Reset Heroku database.

def reset_heroku_database(self):
        """ Reset Heroku database. """
        self.print_message("Resetting database for app '%s'" % self.args.destination_app)
        args = [
            "heroku",
            "pg:reset",
            "--app=%s" % self.args.destination_app,
            "DATABASE_URL",
        ]
        subprocess.check_call(args)