[issue11175] allow argparse FileType to accept encoding and errors arguments

[Petri Lehtinen]

Petri Lehtinen added the comment:

LGTM. Let's wait for Steven's comments as he's the maintainer of argparse.

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keywords: +needs review
stage: patch review -> commit review

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue11175>
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