[issue19713] Deprecate various things in importlib thanks to PEP 451

[Brett Cannon]

New submission from Brett Cannon:

http://bugs.python.org/msg202659

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messages: 203807
nosy: brett.cannon, eric.snow, ncoghlan
priority: normal
severity: normal
stage: test needed
status: open
title: Deprecate various things in importlib thanks to PEP 451
versions: Python 3.4

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19713>
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