fix download of pretrained model for example

README.md

@@ -24,7 +24,7 @@ cd tutorials/beginner_source
 Download pretrained model for the tutorial:
 
 ```bash
-wget -O data/lenet_mnist_model.pth https://drive.google.com/drive/folders/1fn83DF14tWmit0RTKWRhPq5uVXt73e0h?usp=sharing
+wget -O data/lenet_mnist_model.pth 'https://docs.google.com/uc?export=download&id=1KVOHbHnjCd1L-ookcd7CxDqb7rb8-DSx'
 ```
 
 Run the tutorial:

tutorials/beginner_source/fgsm_tutorial.py

@@ -132,7 +132,7 @@ import matplotlib.pyplot as plt
 # 
 
 ## Download pretrained model:
-# wget -O data/lenet_mnist_model.pth https://drive.google.com/drive/folders/1fn83DF14tWmit0RTKWRhPq5uVXt73e0h?usp=sharing
+# wget -O data/lenet_mnist_model.pth 'https://docs.google.com/uc?export=download&id=1KVOHbHnjCd1L-ookcd7CxDqb7rb8-DSx'
 
 epsilons = [0, .05, .1, .15, .2, .25, .3]
 pretrained_model = "data/lenet_mnist_model.pth"