The code completion does not work for egg-distributed packages (Elixir, simplejson, progressbar, pyExcelerator are
Might be related to http://www.netbeans.org/issues/show_bug.cgi?id=153261
Completion is being reworked for the new release planed in August. Not sure it is still relevant with the current version. Closing this as old bug.
Thanks for your evaluation Julien. Closing the bug.