added pyenv-virtualenv because it won't be removed from dotfiles and …

…it is useful for local python versioning

_partials/ubuntu_python.md

@@ -16,6 +16,13 @@ pyenv global 3.8.14
 ```
 Now `python --version` should return `3.8.14`
 
+We'll also install a useful `pyenv` plugin called [`pyenv-virtualenv`](https://github.com/pyenv/pyenv-virtualenv). Although we will primarily be using `poetry` for package management, `pyenv-virtualenv` is useful for controlling the python version locally.
+
+```bash
+git clone https://github.com/pyenv/pyenv-virtualenv.git $(pyenv root)/plugins/pyenv-virtualenv
+exec zsh
+```
+
 ## Pipx
 
 Next we are going to install [pipx](https://pypa.github.io/pipx/) to install python packages we want globally available while still using virtual environments