2011-11-14 14:25:34,023 main db/schooltool.gradebook: failed to evolve to generation 5
Traceback (most recent call last):
  File "/home/replaceafill/.buildout/eggs/zope.app.generations-3.6.0-py2.6.egg/zope/app/generations/generations.py", line 494, in evolve
    manager.evolve(context, generation)
  File "/home/replaceafill/.buildout/eggs/zope.app.generations-3.6.0-py2.6.egg/zope/app/generations/generations.py", line 145, in evolve
    evolver.evolve(context)
  File "/home/replaceafill/sandboxes/st-flourish/flourish.gradebook/src/schooltool/gradebook/generations/evolve5.py", line 86, in evolve
    fixYear(year, app)
  File "/home/replaceafill/sandboxes/st-flourish/flourish.gradebook/src/schooltool/gradebook/generations/evolve5.py", line 53, in fixYear
    layout = root.layouts[year.__name__]
  File "/home/replaceafill/sandboxes/st-flourish/flourish.gradebook/src/schooltool/requirement/requirement.py", line 77, in __getitem__
    return self._data[key]
KeyError: u'2010-2011'
Traceback (most recent call last):
  File "bin/start-schooltool-instance", line 150, in <module>
    schooltool.paste.run.main()
  File "/home/replaceafill/sandboxes/st-flourish/src/schooltool/paste/run.py", line 120, in main
    paste.script.command.run(['serve', conf_file] + extra_options)
  File "/home/replaceafill/.buildout/eggs/PasteScript-1.7.3-py2.6.egg/paste/script/command.py", line 84, in run
    invoke(command, command_name, options, args[1:])
  File "/home/replaceafill/.buildout/eggs/PasteScript-1.7.3-py2.6.egg/paste/script/command.py", line 123, in invoke
    exit_code = runner.run(args)
  File "/home/replaceafill/.buildout/eggs/PasteScript-1.7.3-py2.6.egg/paste/script/command.py", line 218, in run
    result = self.command()
  File "/home/replaceafill/.buildout/eggs/PasteScript-1.7.3-py2.6.egg/paste/script/serve.py", line 276, in command
    relative_to=base, global_conf=vars)
  File "/home/replaceafill/.buildout/eggs/PasteScript-1.7.3-py2.6.egg/paste/script/serve.py", line 313, in loadapp
    **kw)
  File "/home/replaceafill/.buildout/eggs/PasteDeploy-1.5.0-py2.6.egg/paste/deploy/loadwsgi.py", line 247, in loadapp