tensorflow.initialize_all_variables已改为tensorflow.global_variables_initializer()

AttributeError: module ‘tensorflow.python.training.training’ has no attribute ‘SummaryWriter’

tf.train.SummaryWriter已废除

使用 tf.summary.FileWriter

AttributeError: module ‘tensorflow’ has no attribute ‘sub’

减法 tf.sub() 已改为tf.subtract()