Pipenv-Error: ModuleNotFoundError: No module named 'pip._internal'

python python-3.x pipenv
Train picture Train · May 2, 2018 · Viewed 9.5k times · Source

Today, I installed Pipenv via

pip install pipenv

As mentioned in the documentation I went to a test directory and created a new virtual environment using

pipenv shell

and tried to install a package via

pipenv install numpy

I got the following error message:

Installing numpy…
⠧
Error:  An error occurred while installing numpy!
Traceback (most recent call last):
  File "/Users/florian/.local/share/virtualenvs/test-bJfQ6Jzk/bin/pip", line 7, in <module>
    from pip._internal import main
ModuleNotFoundError: No module named 'pip._internal'

This error occurs even after reinstalling pipenv, deleting all files and recreate the environment. It also had no impact if I ran pipenv install numpy inside or outside the environment.

Python 3.6.3
Pipenv 11.10.1

Thank you in advance.

Answer

cedbeu picture cedbeu · Oct 18, 2018

I have had the same issue (python 3.5/Ubuntu 16.04LTS). Reinstalling pip with:

sudo apt install python-pip python-pip3 --reinstall

didn't solve the issue with me.

What worked in my case was reinstalling pipenv itself, from pip:

sudo pip3 install pipenv --force-reinstall

If you are running python 2.x or if your system is different than mine, you can try to replace pip3 with pip in the command:

sudo pip install pipenv --force-reinstall

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