def __setitem__(self, key, value):
        try:
            super(CaseInsensitiveDict, self).__setitem__(key.lower(), value)
        except __HOLE__:
            super(CaseInsensitiveDict, self).__setitem__(key, value)
dataset/ETHPy150Open missionpinball/mpf/mpf/system/config.py/CaseInsensitiveDict.__setitem__