[issue20383] Add a keyword-only spec argument to types.ModuleType

[Brett Cannon]

Brett Cannon added the comment:

I can dream about getting rid of the attributes, but I doubt it would happen any time soon, if at all. But we do need to make it easier to set __spec__ on a new module than it currently is to help promote its use.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20383>
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