buildbot failure in Mercurial on OS X 10.7 hg tests

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder OS X 10.7 hg tests while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/OS%20X%2010.7%20hg%20tests/builds/508

Buildbot URL: http://hgbuildbot.kublai.com/

Buildslave for this Build: lion

Build Reason: scheduler
Build Source Stamp: [branch default] f4148c36f0aa3d41f80c859b8500656360b3d2fd
Blamelist: Alexander Plavin <me at aplavin.ru>,Brendan Cully <brendan at kublai.com>,Florence Laguzet <florence.laguzet at gmail.com>

BUILD FAILED: failed run-tests.py (python2.7)

sincerely,
 -The Buildbot