[PATCH] setup.py little fixes

[Martin Pool]

On 11 Aug 2006, Alexander Belchenko <bialix at ukr.net> wrote:
> Attached bundle contains 2 little fixes for setup.py and test_setup.
> This fixes required for running selftest on installed copy of bzr if
> there is no tree with bzr sources presents.

+1 from me.  I think Robert doesn't consider running the tests from an
installed copy really necessary, but having them just fail is
undesirable, and since it's easy to test I think we should.  

-- 
Martin