Best Pytest Courses in 2026: A Transparent Review From a Course Creator

A few years ago, I had a problem that many Python team leads eventually face. I was working at an AI automotive startup in Berlin. The company was later acquired by Valeo , the French global automotive supplier, and is now part of Seeing Machines . At that time, we had just started adopting clean code practices and SOLID principles seriously. I was a team lead, and my challenge was to educate 15 Python developers to start testing and bring a huge legacy codebase under test coverage . We started