def to_python(self, value):
        if not value:
            return SerializableFunction()
        try:
            return SerializableFunction.loads(value)
        except __HOLE__:
            return SerializableFunction(to_function(value))
dataset/ETHPy150Open dimagi/commcare-hq/corehq/ex-submodules/couchexport/util.py/SerializableFunctionProperty.to_python