Matplotlib is used but not included in the 'Note'

[CT83]

https://pytorch.org/tutorials/beginner/deep_learning_60min_blitz.html

Now, at https://pytorch.org/tutorials/beginner/blitz/cifar10_tutorial.html#loading-and-normalizing-cifar10

We are importing matplotlib, which the user might not have installed.

@ptrblck

[BeniaminC]

/assigntome