I'd like to type hint a function like this: from types import Iterable def func(thing: Iterable[str]) -> None: for i in range(10): for x in thing: do_thing(x) PyCharm will (correctly) let me get away with passing in a generator to this function, but I want to type hint it in a way that it won't allow me to, while still accepting other iterables. Using Sequence[str] isn't an option, iterables like KeyView aren't sequences, but I would still like to be able to include them. Someone mentioned using a Union with a Sequence + KeyView, which would work, but I was wondering if there was a more elegant and universal solution Of course, I could just convert thing to a list no matter what, but I'd rather just have this function type hinted correctly. Using Python 3.7 Continue reading...
