I am using Mac and jupyter notebook(anaconda).
From the PyTorch website, I’ve tried to install PyTorch by:
conda install pytorch torchvision -c pytorch

and
pip3 install torch torchvision

When I  import torch  in jupyter notebook, the error shows:
ModuleNotFoundError: No module named 'torch'

However, in the terminal, if I enter python3 environment by:  $ python3 , then  import torch , there is no error.
Then I tried:  conda list pytorch  in the terminal, and found:
# Name                    Version                   Build  Channel
pytorch                   1.2.0                   py2.7_0    pytorch

So I finally notice in the jupyter notebook, if I use python2 and import torch, there would be no error. But I don’t know how to install pytorch in python3 environment? I’ve already followed the PyTorch website  pip3 install torch torchvision , but it still not works.