def serialize(self, value, entity, request):
        value = super(ListField, self).serialize(value, entity, request)
        if value is None:
            return
        ret = []
        for v in value:
            ret.append(self.itemspec.serialize(v, entity, request))
        return ret
Propagate to list elements.
dataset/ETHPy150Open wuher/devil/devil/fields/fields.py/ListField.serialize