A schooltool 1.6 database could not be evolved because of a bug in evolution code.
2012-05-24 10:07:50,043 main db/schooltool: failed to evolve to generation 36
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/zope/app/generations/generations.py", line 494, in evolve
manager.evolve(context, generation)
File "/usr/lib/python2.7/dist-packages/zope/app/generations/generations.py", line 145, in evolve
evolver.evolve(context)
File "/usr/lib/python2.7/dist-packages/schooltool/generations/evolve36/__init__.py", line 37, in evolve
evolveTimetables(app)
File "/usr/lib/python2.7/dist-packages/schooltool/generations/evolve36/evolve.py", line 60, in evolveTimetables
built = builder.build(app, BuildContext(shared=result))
File "/usr/lib/python2.7/dist-packages/schooltool/generations/evolve36/timetable_builders.py", line 510, in build
built = builder.build(timetable_root, context(app=app))
File "/usr/lib/python2.7/dist-packages/schooltool/generations/evolve36/timetable_builders.py", line 464, in build
schoolyear=schoolyear))
File "/usr/lib/python2.7/dist-packages/schooltool/generations/evolve36/timetable_builders.py", line 422, in build
period_map=built_periods.period_map))
File "/usr/lib/python2.7/dist-packages/schooltool/generations/evolve36/timetable_builders.py", line 306, in build
meeting_id = timetable.uniqueMeetingId(
AttributeError: 'Timetable' object has no attribute 'uniqueMeetingId'
