[PATCH 2 of 6] procutil: define LineBufferedWrapper on all Python versions

[Yuya Nishihara]

On Sun, 05 Jul 2020 04:51:38 +0200, Manuel Jacob wrote:
> # HG changeset patch
> # User Manuel Jacob <me at manueljacob.de>
> # Date 1593657438 -7200
> #      Thu Jul 02 04:37:18 2020 +0200
> # Node ID 527b213d2d2416ce86bc17aac34851142dc37f77
> # Parent  cbec874a8b0f9441469cbd5e79db6dcd83b4c4d4
> # EXP-Topic stdio
> procutil: define LineBufferedWrapper on all Python versions

Queued the first two, thanks.