[PATCH stable] convert: update use of deprecated bzrlib property

[Matt Mackall]

On Tue, 2016-07-19 at 11:16 -0500, Kevin Bullock wrote:
> # HG changeset patch
> # User Kevin Bullock <kbullock+mercurial at ringworld.org>
> # Date 1468944032 18000
> #      Tue Jul 19 11:00:32 2016 -0500
> # Branch stable
> # Node ID a5c7375e0221a5499b38638b1c6ab72f853f287b
> # Parent  754f6367122953efdc7b5539a53c99308ee90216
> convert: update use of deprecated bzrlib property
> 
> The inventory property was deprecated in favor of root_inventory in bzr
> 2.5.0. Current version is 2.7.0.
> 
> I noticed this when testing locally on Python 2.6.9, which has warnings
> turned on by default. The failure that occurs without this patch can be
> seen on Python 2.7 by running with warnings enabled:

Queued after fixing a long line, thanks.

-- 
Mathematics is the supreme nostalgia of our time.