If you have multiple projects, it may be undesirable that you're forced to have them all on the same Python version. Of course it helps that Python has fairly g

If you have multiple projects, it may be undesirable that you're forced to have them all on the same Python version. Of course it helps that Python has fairly good backward compatibility, and even using a newer version to develop and test than the one you'll deploy with is not the end of the world, but pyenv is easy enough that I see no reason not to do it properly.