"Installation successful"—but it doesn't work: 10 places where things go wrong silently between "installing" and "running" a package

Both pip install and pnpm add finished with success on the last line. The names are in the lock file, too. Yet, when I run it ...

Identifying standard library APIs removed in Python 3.15 from your code using AST—502 public name differences and a comparison with ruff, pyupgrade, and ver…

Python 3.15.0 was released on October 9, 2026. The "Removed" section of the official "What's New in Python 3.15" document ...