the 2.13.x branch CI seems broken due to a MacOS issue: https://github.com/pantsbuild/pants/runs/7884792139?check_suite_focus=true#step:9:1989

ruh roh. this was a TODO from 2019 when @enough-analyst-54434 was helping me with the Python 3 migration. Looks like it has finally bit us? nvm I read the error message too quickly. It looks like it is only warning about using

Extension

-- that is not the error