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Description
Blocked by #238
Currently we use the "ad-hoc" package layout where the "adaptive" package is directly in the repository root.
Such a layout can cause confusion when it comes to testing against the correct version of files, reporting coverage, building documentation etc.
There is a megathread over here: pypa/packaging.python.org#320
that discusses PyPA's official stance on this, but the blog posts I've read have convinced me that the src/ layout has more positives than negatives.
OTOH the current layout works and we have much more interesting things to work on 🤷♀️