Broken in 3.12 due to using 'imp' module

As of 3.12 this package is broken because it uses the old 'imp' library which was removed in 3.12 and replaced with importlib, for now it can be used with 3.11 - but that's on security fixes only and will be EOL in 2026:

https://docs.python.org/3.11/library/imp.html#module-imp
