[PATCH 1 of 2 V2] py3: partially fix pager spawning on Windows

[Yuya Nishihara]

On Mon, 17 Sep 2018 01:15:16 -0400, Matt Harbison wrote:
> # HG changeset patch
> # User Matt Harbison <matt_harbison at yahoo.com>
> # Date 1537032701 14400
> #      Sat Sep 15 13:31:41 2018 -0400
> # Node ID 91531f9754a5f032fa635dc506091f23519bfdc3
> # Parent  8bfbb25859f1455e908b8cff52d7ef30339a3db8
> py3: partially fix pager spawning on Windows

Queued these, thanks.