Converting Python2 to Python3 [video](neckbeardrepublic.com)
neckbeardrepublic.com
Converting Python2 to Python3 [video]
https://www.neckbeardrepublic.com/screencasts/converting-python-2-to-python-3
https://www.neckbeardrepublic.com/screencasts/converting-python-2-to-python-3
After that the only code that explicitly does something different is a library I have (https://github.com/ipartola/groper) which cares explicitly about int vs long.