Until you need to distribute that project as a library, or you’ve shipped it as an app and now you need all users to upgrade library X or add library Y. Python

Until you need to distribute that project as a library, or you’ve shipped it as an app and now you need all users to upgrade library X or add library Y. Python packaging is fine for small local dev; problems arise in distribution, rollouts of upgrades and ensuring your apps work in the zoo of local setups your users have