[issue2377] Replace __import__ w/ importlib.__import__

[Brett Cannon]

Brett Cannon <brett at python.org> added the comment:

Notes on what to mention:

importlib.invalidate_caches()
doctests and ImportError now spitting out the full module name
ImportError's new attributes

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue2377>
_______________________________________