3.19.4: Bugfixes and testing improvements

What's Changed

• feat: test new version of 3.10 and 3.11 by @vinitkumar in #147
• Feat/upgrade python test python311beta by @vinitkumar in #148
• Feat/unittest to pytest by @vinitkumar in #149

Full Changelog: 3.19.3...3.19.4