[issue28102] zipfile.py script should print usage to stderr

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

I would request tests, but since currently there are no tests for command line interface to zipfile, it's okay. LGTM. Will commit right after beta 1 is tagged.

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assignee:  -> serhiy.storchaka
nosy: +serhiy.storchaka
stage:  -> commit review
type:  -> enhancement

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28102>
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