Jupyter-notebook failed to import python packages

Question

I was trying to use numpy in Jupyter Notebook in a Python3 virtual environment, but the encountered an error.

In terminal, I did:

$ python3 -m venv py3env $ source py3env/bin/activate (py3env)$ jupyter notebook

And on the Jupyter page, I created a new notebook and executed the followings

!pip install numpy import numpy as np

And the resulting output is this:

Requirement already satisfied: numpy in /Users/MyName/py3env/lib/python3.9/site-packages (1.20.2) --------------------------------------------------------------------------- ModuleNotFoundError Traceback (most recent call last) <ipython-input-4-d83b6b4f94f9> in <module> 1 get_ipython().system('pip install numpy') ----> 2 import numpy as np ModuleNotFoundError: No module named 'numpy'

The package is already installed but still cannot be found...?

Is there a way to fix this issue?

You need to configure notebooks with multiple environments. check this stackoverflow.com/questions/37433363/… — Divyanshu Srivastava
– Divyanshu Srivastava, Commented Apr 11, 2021 at 18:37

Brian Larsen · Accepted Answer · 2021-04-11 18:54:30Z

You may be using pip from a different python installation.

To install with the same python executable as your jupyter kernel, in one cell run:

import sys

Then in another cell run:

!{sys.executable} -m pip install numpy

Tunmise Adeyemo · Accepted Answer · 2021-04-11 18:46:51Z

It would appear you are trying to call a dependency you installed on a virtual environment, attempt to reinstall numpy on jupyter, then try again.

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