[PATCH] Use best available python version

[Fredrik Lundh]

Lalo Martins wrote:

> Indeed.  As long as bzr supports more than one version, it should by
> default use the one configured as the default by the admin (or user).

as long as it's usuable, at least.

the "use bzr to work on a project that requires Python 2.1.3" case is
still valid.

</F>