[PATCH v2 1/6] models: Add missing unicode decorator

[Finucane, Stephen]

On 25 Mar 17:27, Stephen Finucane wrote:
> This is required for Python 3 compatibility.
> 
> Signed-off-by: Stephen Finucane <stephen.finucane at intel.com>
 
Merged this patch, though I'm going to wait a little longer for the
remainder.

Stephen