A5rocks

~~I split off https://github.com/python/mypy/pull/17843 for the part of this PR I am certain is correct. I have some ideas on how to fix kwargs's presence with TypeVarTuple in the general...

I've made a better version of this at https://github.com/python/mypy/pull/18958

I'm not sure it's possible to enforce any distinction there. We could enforce that `raise StopIteration` only happens in `__iter__` but that seems overly limiting. Otherwise we would need some...

Sorry yes that's what I meant re: `__next__`. OK that actually makes sense -- I agree. I guess `close` can't be abstract because it isn't at runtime (only `send` and...

@sterliakov sorry I haven't actually thought about this more until now. I think pushing off doing this properly is fine. I think doing this properly could be what you talk...

Good catch, I'll separate out the part of that issue that this doesn't fix into another issue.

I was looking at your README and it seems pretty nice! I don't think this is a good idea though: > Optional [Trio-style checkpoints](https://trio.readthedocs.io/en/stable/reference-core.html#checkpoints) If something is optional, that means...

I think this change is good (and there's like 2 other similar places), especially if combined something that marks any block with a variable bound to Never as unreachable. Edit:...

I was looking at flake8-async: - we would need to bring in flake8 if we want to ignore the test directories? - I think the tags are out of sync...

> we can use the pre-commit `files` or `exclude` directives to exclude them I was hoping to maybe be able to run it as a command, but this makes enough...