buildbot failure in Mercurial on OS X 10.6 hg tests

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder OS X 10.6 hg tests while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/OS%20X%2010.6%20hg%20tests/builds/153

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

Buildslave for this Build: sl

Build Reason: scheduler
Build Source Stamp: [branch default] 4dd0369774639ec7b778e82fa5a47d3700244c99
Blamelist: Thomas Arendsen Hein <thomas at intevation.de>

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

sincerely,
 -The Buildbot