Simon Percivall

No good idea why it's so, `wheel` should be installed by pip, unless there's something wrong with the way `astunparse` has been installed. On the other hand, `wheel` shouldn't be...

Yeah, looks pretty broken in _any_ Python version.

Depends, this is much faster. If that's important, installing from source be the better option (for a while, at least). It certainly builds and passes all tests on 3.9 (for...

Well, in this case it more seems like you don't have gcc installed at all (which isn't uncommon in a container). The solution would be to set up GHA to...

@zzzeek Thanks for the reference, that'll make it a lot easier.

I'm unsure. Both `set` and `OrderedSet` are (virtual) subclasses of `MutableSet`, and as such `OrderedSet` _isn't_ really a subclass of `set`. But I see your point on convenience.

I'll think on registering `OrderedSet` as a `typing.Set`, however.

Not before your question right now (though I kept this issue open for just that purpose). I didn't want to add more methods without anyone saying they actually wanted them...

A bad solution, I know, but I've published a package `lp37` on PyPI to solve this issue.

In its most simple way, I'd do it like this: PR #114 'Course, it'd be better to split out into a separate file, to make it look a bit cleaner.