without close tensorboard, there will be a EOFError at the end of training

[wwnbbd]

When training, the tensorboard writer should be closed, or EOFError will be raised.
if self.rank == 0: self.tb_logger.close() should be added to the temporal_helper.py, at the end of train() to avoid this error

[deepcs233]

Have fixed the problem, thanks for your feedback!