No module named 'torch'

[jonanem]

I have installed pytorch in virtual environment. When I am trying to execute import torch from Jupyter notebook I am getting error as below.

ModuleNotFoundError                       Traceback (most recent call last)
<ipython-input-10-eb42ca6e4af3> in <module>
----> 1 import torch
ModuleNotFoundError: No module named 'torch'

But when I am running the same in Using Anaconda command prompt, import torch is successful. I am running Jupyter in windows 64 Anaconda environment

[markfsousa]

I have the same issue.
I've seen this (issues/4827), which is related to the missing lib mkl. But, in my case, I have mkl-2019.4 and it still doesn't work.
What is awkward is that this import works fine in spyder, the problem is only in jupyter notebook.

[markfsousa]

It turns out that the version mkl-2019.4 doesn't really work. I have installed the 2018 and it's fine now.
conda install mkl=2018

[dps42]

I had the same issue. 'import torch' worked on the terminal but it didn't work on the Jupyter.
First, on the Jupyter, try to type and see the output of:

print(sys.executable)

I found that the location of the executable was from a different conda environment.
What finally worked for me was:

1. On the top of the Jupyter window, click the "Kernel" drop-down menu.
2. Move the mouse over "Change kernel". Then, I could see a list of different Python conda environments. I noticed that the one that was selected was for Tensorflow. I changed the kernel to

Python [conda env: XXX]

where XXX is whatever the name of the conda environment where Pytorch was set up.

At least it worked for me after hours of frustrating moment. Hope it helps.

[saraXX]

if nothing work with you try to install Jupiter notebook from anaconda navigator
it's the only way it works with me

[Raunaque97]

https://janakiev.com/blog/jupyter-virtual-envs/

This fixed my issue. If it helps anyone

[hj0921]

I solved this issue by installing Jupyter notebook in current environment.

[makwadajp]

I had the same issue reported by dps42:

'import torch' worked on the terminal but it didn't work on the Jupyter.

for me, calling conda install jupyter notebook worked as mentioned in stackoverflow: Pytorch module error in Jupyter Notebook

[malodhi]

I had similar problem: torch being imported in terminal but not in same environments jupyter notebook.

I first got, print(sys.executable), in root directory.

To solve:

I install jupyter notebook in the virutal environment.
Later torch was being imported into jupyter notebook.
The print(sys.executable), now gave the location of file in conda virtual environment.

Thanks all !!!

[jonathonyan]

When i using conda install jupyter notebook I got 500 : Internal Server Error when opening my jupyter notebook

[AkagawaTsurunaki]

Don't forget to restart your IDE and server after you installed jupyter and notebook.

[jazelly]

conda install jupyter notebook fixed my issue. I believe the jupyter was pointing to the one downloaded from pip. Installing it from conda should override this