def over(self, partition_by=None, order_by=None, window=None):
        if isinstance(partition_by, Window) and window is None:
            window = partition_by
        if window != None:
            sql = Window(
                partition_by=partition_by, order_by=order_by).__sql__()
        else:
            sql = SQL(window._alias)
        return Clause(self, SQL('OVER'), sql)
dataset/ETHPy150Open coleifer/peewee/peewee.py/Func.over/operator `is` -> `!=`