[PATCH 1 of 8] py3: use pycompat.byteskwargs() to convert kwargs' keys to bytes

[Yuya Nishihara]

On Tue, 27 Jun 2017 01:25:22 +0530, Pulkit Goyal wrote:
> # HG changeset patch
> # User Pulkit Goyal <7895pulkit at gmail.com>
> # Date 1498503055 -19800
> #      Tue Jun 27 00:20:55 2017 +0530
> # Node ID 9fa49669fdd13c7e15aec3bfc1039cf612f4ab52
> # Parent  bb46f1aba2c07467171472188efa8ce43ef081c9
> py3: use pycompat.byteskwargs() to convert kwargs' keys to bytes

Queued, thanks.