planetceres/install_pipenv.md

## install_pipenv.md

      
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              install_pipenv.md
            
          
    Installation Notes for pipenv on Ubuntu 18.04

1. Add ~/.local/bin to PATH

pypa/pipenv#2122 (comment)
echo 'export PATH="${HOME}/.local/bin:$PATH"' >> ~/.bashrc

2. Install pip if not already installed

Python3
sudo apt install python3-pip

Python 2
sudo apt install python-pip

3. Install pipenv

for Python3:
python3 -m pip install --user pipenv

or for python2:
python -m pip install --user pipenv

Troubleshooting and removal

Installing pipenv will break pip, and attempting to use pip after a pipenv install will likely result in:
Traceback (most recent call last):
  File "/usr/bin/pip", line 9, in <module>
    from pip import main
ImportError: cannot import name main

If installation fails and pip cannot be restored. Completely remove pip and reinstall:
Python 3
sudo apt remove python3-pip
sudo rm -rf ~/.local/lib/python3.6/site-packages/pip*
sudo apt install python3-pip


Python 2

sudo apt remove python-pip
sudo rm -rf ~/.local/lib/python2.7/site-packages/pip*
sudo apt install python-pip