Agreed. And the solution to the multiple interpreter versions problem should be orthogonal to venv like pyenv [1] instead of overlapping with venv like pipenv.

Agreed. And the solution to the multiple interpreter versions problem should be orthogonal to venv like pyenv [1] instead of overlapping with venv like pipenv. [1]: https://github.com/pyenv/pyenv https://github.com/pyenv/pyenv