I am seeing this on latest master... I looked the the code... it feels weird... what am I missing ? https://github.com/pantsbuild/pants/blame/be07ae749f785bd07bf389fe6d9aa847926d8d90/src/python/pants/engine/collection.py#L33-L38

@polite-garden-50641 this is probably a question for @hundreds-father-404 , but remember running into something like this before, although I can't remember what the remedy was

I suspect that’s the issue. It passes for me locally with Py36 (which is what CI uses) Flake8 doesn’t understand

@overload

, although it’s alpha release adds support