The bug is due to changes introduced in logilab-common 0.50 (http://www.logilab.org/cgi-bin/hgwebdir.cgi/logilab/common/diff/0ccab9984629/configuration.py shows the commit which renames opt_dict to optdict). -- Neil Muller drnlmuller at gmail.com I've got a gmail account. Why haven't I become cool?