Instagram scaled from 0 to 14 million users in just over a year, from October 2010 to December 2011. They did this with only 3 engineers.
They did this by following 3 key principles and having a reliable tech stack.
Possible replacement for pipenv. Seems to do a lot of what I would need, and perhaps some more; but also appears to be missing some things I do find useful about pipenv.
For example: I do like how pipenv sweeps up the whole venv thing in what feels like a sensible way. poetry doesn't appear to handle that sort of thing (by design, as far as I can tell).
Blog post that does a good job of outlining some of the issues I have too with type checking in Python.
See the following for some correction of what's said: https://news.ycombinator.com/item?id=20159153