Traceback (most recent call last):
  File "run_game.py", line 12, in ?
    import main
  File "/home/anthony/svn/pyweek/trunk/lib/main.py", line 10, in ?
    import Http, config
  File "/home/anthony/svn/pyweek/trunk/lib/Http.py", line 7, in ?
    from avatar import Avatar
  File "/home/anthony/svn/pyweek/trunk/lib/avatar.py", line 1, in ?
    from inventory import itemFactory
  File "/home/anthony/svn/pyweek/trunk/lib/inventory.py", line 60, in ?
    itemFactory = InventoryItemFactory()
  File "/home/anthony/svn/pyweek/trunk/lib/inventory.py", line 50, in __init__
    args['combat_message'] = c.get(item, 'combat_message')
  File "/usr/lib/python2.4/ConfigParser.py", line 525, in get
    return self._interpolate(section, option, value, d)
  File "/usr/lib/python2.4/ConfigParser.py", line 570, in _interpolate
    raise InterpolationMissingOptionError(
ConfigParser.InterpolationMissingOptionError: Bad value substitution:
        section: [guitar]
        option : combat_message
        key    : monster
        rawval : You impress the %(monster)s with your beautiful voice!