[issue9425] Rewrite import machinery to work with unicode paths

[Ezio Melotti]

Ezio Melotti <ezio.melotti at gmail.com> added the comment:

I wrote a few minor comments on codereview.
The patch should also include more tests.

----------
nosy: +ezio.melotti

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9425>
_______________________________________