i18n/polib.LICENSE

py3: suppress the output of open() using `and None`

This patch suppresses the output of open() on Python 3 as it does not return any
output on Python 2.

This makes test-diffstat.t pass on Python 3.5

Differential Revision: https://phab.mercurial-scm.org/D3128

copyright (c) 2006-2010 David JEAN LOUIS

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