def __setitem__(self, key, value):
        list.__setitem__(self, key, value)
        self.changed()
Removes all the output files from all targets. Takes
dataset/ETHPy150Open openstack/sahara/sahara/db/sqlalchemy/types.py/MutableList.__setitem__--crossover with--dataset/ETHPy150Open tonyfischetti/sake/sakelib/acts.py/clean_all