[PATCH v2] cleanup: reuse existing wctx variables instead of calling repo[None]

[Augie Fackler]

> On May 20, 2017, at 22:48, Martin von Zweigbergk via Mercurial-devel <mercurial-devel at mercurial-scm.org> wrote:
> 
> # HG changeset patch
> # User Martin von Zweigbergk <martinvonz at google.com>
> # Date 1495344472 25200
> #      Sat May 20 22:27:52 2017 -0700
> # Node ID b86e47cf727e64b649c9184d9f385ddb4de8dc85
> # Parent  b9942bc6b292aa9b16ad80fceb765dab4f1c777c
> cleanup: reuse existing wctx variables instead of calling repo[None]

queued, thanks