[PATCH 2 of 2] templater: fix string representation of wrapped None

[Augie Fackler]

On Fri, Jun 08, 2018 at 11:52:30PM +0900, Yuya Nishihara wrote:
> # HG changeset patch
> # User Yuya Nishihara <yuya at tcha.org>
> # Date 1528202433 -32400
> #      Tue Jun 05 21:40:33 2018 +0900
> # Node ID 1b8ab2494e427973a34e9ab2fe4652a6ec73dbe7
> # Parent  ac754116b7cdebdcf41b8de8a9e9b2b8e6006e4e
> templater: fix string representation of wrapped None

queued, thanks