[issue43697] Importlib documentation does not cover how meta path finders should handle namespace packages

[Paul Moore]

Paul Moore <p.f.moore at gmail.com> added the comment:

OK, cool. That might be worth explaining somewhere in the docs (although I don't really know where, as I'm not sure where namespace packages are documented, either :-))

I'm not at all sure what would happen if we have meta path finders A and B  on sys.meta_path in that order, and A.find_spec("foo.bar") returns a spec, but A.find_spec("foo") doesn't and B.find_spec("foo") does. I think the honest answer is "I get a headache" ;-)

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