BurningSilence

问题：FailedPreconditionError (see above for traceback): Attempting to use uninitialized value Variable[[Node: Variable/read = Identity[T=DT_FLOAT, _class=["loc:@Variable"], _device="/job:localhost/replica:0/task:0/cpu:0"](Variable)]]出处：constant_e = tf.V

由于公司网络限制，因此使用keras自带的MNIST数据集加载方法(x_train, y_train),(x_test, y_test) = mnist.load_data()[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-wfZ8ZWkV-1597969181862)(data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==)]是不可行的，所以只能另辟蹊径。第