Questions to ask when bringing in third-party code

I gave a lightning talk last night here at PyOhio introducing pyenv and a brief overview of the unique kinds of problems that my old standard of project isolation—a Homebrewed Python and virtualenv—yielded. About 16 hours later, I've actually got around to unstuffing my liquidluck virtualenv by converting it to pyenv. As a result, I can now share the slides with you! Here are those slides in PDF form. Thanks, PyOhio! (And thanks, too, Danielle, for letting me use your pictures of van Rossum...