Drops support for python 3.8 since it is EOL. The code refactoring is due to ruff's formatting rules for 3.9.
This resolves #355 by making changes and refactors to the warning logic. It does so by introducing a module-level singleton "WarningPrinter" object and refactors the code in such a way to integrate this object for it to be used.
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Bernát Gábor <bgabor8@bloomberg.net>
Kemal Zebari