>>> import torchvision.models.quantization as models
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'torchvision.models.quantization'
>>> torchvision.__version__
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
NameError: name 'torchvision' is not defined
>>> import torchvision
>>> torchvision.__version__
'0.4.2+cpu'

What is the version of torchvision needed in this toturial 6