title: Why I can't load mnist dataset with load_data() method?
body: <p>I used this line of code to load the mnist dataset and I got it from tensorflow documentation.
  <code>(trainX, trainY), (testX, testY) = load_data(path='mnist.npz')</code> </p>
  
  <p>But when I executed the file I got an error with certificate</p>
  
  <p>The error I got</p>
  
  <pre><code>Traceback (most recent call last):
    File "mnist_degit.py", line 18, in &lt;module&gt;
      (trainX, trainY), (testX, testY) = load_data(path='mnist.npz')
    File "/Users/muongkimhong/Desktop/ComputerVision_project/DigitRecognize/digit_recognize_env/lib/python3.7/site-packages/tensorflow/python/keras/datasets/mnist.py", line 62, in load_data
      '731c5ac602752760c8e48fbffcf8c3b850d9dc2a2aedcf2cc48468fc17b673d1')
    File "/Users/muongkimhong/Desktop/ComputerVision_project/DigitRecognize/digit_recognize_env/lib/python3.7/site-packages/tensorflow/python/keras/utils/data_utils.py", line 267, in get_file
      raise Exception(error_msg.format(origin, e.errno, e.reason))
  Exception: URL fetch failure on https://storage.googleapis.com/tensorflow/tf-keras-datasets/mnist.npz: None -- [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1076)
  </code></pre>
  
  <p>Can somebody help please?</p>