By default, pipenv maps projects to virtual environments using the projects root folder, and a hash of the projects entire directory. Because of this, if your project folder is moved, or the path is changed at all, pipenv will no longer be able to correctly use the project's virtual environment.

One way to avoid this would be to set the environmental variable ```PIPENV_VENV_IN_PROJECT=1``` in your shell configuration in order to have virtual environments be created in the project's directory. This allows your project to be flexible in its location on your system.

University of Michigan - Ann Arbor

Pipenv is a tool that aims to "bring the best of all packaging worlds (bundler, composer, npm, cargo, yarn, etc.) to the Python world". Using pipenv eliminates the need for programmers to use pip and virtualenv individually, combining the functionality of both tools into one program to manage packages and virtual environments.

pipenv

Pipenv Documentation

The reccomended way to go about installing pipenv is through the following command:

```bash
$ pip install --user pipenv
```

This installs pipenv on a user level, as to not interfere with any other python package installs that may be present on the system globally.

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