我使用的代码是:mnist = fetch_mldata('MNIST original')TimeoutErrorperiod of time, or established connection failed because connected host has failed to respond
谁能帮我解决这个问题需要做些什么
我正在学习用MNIST数据集进行分类。我犯了一个错误,我搞不懂,我做了很多谷歌搜索,我什么也做不了,也许你是个专家,可以帮我。这是密码-->>> mnist = fetch_openml('mnist_784', version=1)KeyError(key) from err 2902 if tolerance is not None:
KeyErr