Tell shutil.make_archive to use Unicode paths
Tell shutil.make_archive to use Unicode paths

By default, make_archive uses str paths on Python 2, which causes it to
skip files with unencodable names. By passing in a unicode base_dir
explicitly, it is smart enough to use unicode all the way down instead.

pradyunsg/pip,xavfernandez/pip,xavfernandez/pip,pypa/pip,xavfernandez/pip,pradyunsg/pip,sbidoul/pip,sbidoul/pip,pypa/pip,pfmoore/pip,pfmoore/pip