def get_prep_value(self, value):
        return self.delimiter_char.join([bc.value for bc in value])
Drop data to save memory
dataset/ETHPy150Open lsaffre/lino/lino/core/choicelists.py/MultiChoiceListField.get_prep_value--crossover with--dataset/ETHPy150Open andrewf/pcap2har/pcap2har/tcp/direction.py/Direction.clear_data