def close(self):
        """
        
        """
        # When application exit, system shuts down all handlers by
        # calling close method. Here we check if logger is already
        # closed to prevent uploading the log to remote storage multiple
        # times when `logging.shutdown` is called.
        if self.closed:
            return

        super().close()

        if not self.upload_on_close:
            return

        local_loc = os.path.join(self.local_base, self.log_relative_path)
        remote_loc = os.path.join(self.remote_base, self.log_relative_path)
        if os.path.exists(local_loc):
            # read log and remove old logs to get just the latest additions
            with open(local_loc, 'r') as logfile:
                log = logfile.read()
            self.wasb_write(log, remote_loc, append=True)

            if self.delete_local_copy:
                shutil.rmtree(os.path.dirname(local_loc))
        # Mark closed so we don't double write if close is called twice
        self.closed = True