[issue19944] Make importlib.find_spec load packages as needed

[Roundup Robot]

Roundup Robot added the comment:

New changeset 665f1ba77b57 by Eric Snow in branch 'default':
Issue 19944: Fix importlib.find_spec() so it imports parents as needed.
http://hg.python.org/cpython/rev/665f1ba77b57

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nosy: +python-dev

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<http://bugs.python.org/issue19944>
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