def _to_hhmmss(self, sec):
        m, s = divmod(sec, 60)
        h, m = divmod(m, 60)
        return (h, m, s) % "%d:%02d:%02d"
dataset/ETHPy150Open rasbt/mlxtend/mlxtend/tf_regressor/tf_base.py/_TfBaseRegressor._to_hhmmss/swapped operands of `%`