Lazy-load subpackages
We somewhere (everywhere?) eagerly import subpackages which breaks lazy loading:
/root/.local/share/hatch/env/virtual/qutech-util/ZzfbcL49/test/lib/python3.8/site-packages/lazy_loader/__init__.py:185: RuntimeWarning: subpackages can technically be lazily loaded, but it causes the package to be eagerly loaded even if it is already lazily loaded.So, you probably shouldn't use subpackages with this lazy feature.
Use instead: https://github.com/scientific-python/lazy_loader/tree/main#lazily-load-subpackages-and-functions