After upgrading to 0.8.6 I am getting a download exception while using FileDownload. I see exceptions.KeyError: 'slavename'. Suggestions welcome, File "/lib/python2.7/site-packages/buildbot-0.8.6-py2.7.egg/buildbot/process/properties.py", line 71, in __getitem__ rv = self.properties[name][0] exceptions.KeyError: 'slavename' Thanks,