使用keras下載mnist數據集時出現錯誤

Question

我在機器上重新安裝了新的ubuntu 14:04，然后開始收到此錯誤，而在舊的安裝中，該程序運行完美，沒有任何令人討厭的錯誤。 請幫忙。 順便說一句，我發現這里的問題不能在keras中加載mnist數據集，但是它看起來是不同的錯誤，我的工作沒有任何問題。

Using Theano backend.
Using gpu device 0: GeForce GTX TITAN X (CNMeM is disabled, cuDNN 5005)
Downloading data from https://s3.amazonaws.com/img-datasets/mnist.pkl.gz
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "mnist_cnnFORTESTING.py", line 9, in <module>
execfile("file.py")
File "file.py", line 28, in <module>
(X_train, y_train), (X_test, y_test) = mnist.load_data()
File "/home/sal/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/keras/datasets/mnist.py", line 9, in load_data
path = get_file(path, origin="https://s3.amazonaws.com/img-datasets/mnist.pkl.gz")
File "/home/sal/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/keras/utils/data_utils.py", line 70, in get_file
raise Exception(error_msg.format(origin, e.errno, e.reason))
Exception: URL fetch failure on https://s3.amazonaws.com/img-datasets/mnist.pkl.gz: None -- [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify   failed (_ssl.c:590)

Answer 1

哇，我找到了答案，就用

   sudo mkdir -p /etc/pki/tls
   sudo ln -s /etc/ssl/certs /etc/pki/tls/certs

我通過@ Dilettant的線索在以下鏈接中找到了答案，謝謝https://support.enthought.com/hc/en-us/articles/204646264-Linux-non-RHEL-Python-code-fails-to-connect到帶有證書錯誤的https