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/369

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

Buildslave for this Build: lion

Build Reason: scheduler
Build Source Stamp: [branch default] 246f290e162abc41e5e2b2c764514095da12dd09
Blamelist: Angel Ezquerra <angel.ezquerra at gmail.com>,Angel Ezquerra <angel.ezquerra at gmail.com>,Bryan O'Sullivan <bos at serpentine.com>,Bryan O'Sullivan <bryano at fb.com>,Frank Kingswood <frank at kingswood-consulting.co.uk>,Mads Kiilerich <mads at kiilerich.com>,Mads Kiilerich <mads at kiilerich.com>,Pierre-Yves David <pierre-yves.david at ens-lyon.org>,Pierre-Yves David <pierre-yves.david at logilab.fr>

BUILD FAILED: failed run-tests.py (python2.6) run-tests.py (python2.7) pure

sincerely,
 -The Buildbot