python: Set up Black / flake8

requested review from @iggy

assigned to @Anon

added 131 commits

• 977da5ff...b4c0e74d - 127 commits from branch main
• f4b12c57 - gitignore: ignore .venv
• 471ada39 - py: configure Black/flake8
• 7689a4aa - py: fix syntax errors
• d5f41221 - py: run Black

Compare with previous version

I rebased this to main with the history rewrite

added 9 commits

• d5f41221...642d0cf7 - 5 commits from branch main
• 59a80bd9 - gitignore: ignore .venv
• 87644988 - py: configure Black/flake8
• a92fb0f6 - py: fix syntax errors
• 47eda2fd - py: run Black

Compare with previous version

added 5 commits

• 4b525b17 - 1 commit from branch main
• 3798fb1f - gitignore: ignore .venv
• 8ad2ecbe - py: configure Black/flake8
• c0b3cb04 - py: fix syntax errors
• 2ce5451a - py: run Black

Compare with previous version

merged