def _unpack_schema_additions(self, items):

        unpacked_items = []

        for item in items:
            if isinstance(item, SchemaAddition):
                unpacked_items.append(item.factory())
            else:
                unpacked_items.append(item)

        return unpacked_items
Make the device ready for I/O.
dataset/ETHPy150Open enthought/pyface/pyface/tasks/action/task_action_manager_builder.py/TaskActionManagerBuilder._unpack_schema_additions--crossover with--dataset/ETHPy150Open ganeti/ganeti/lib/storage/extstorage.py/ExtStorageDevice.Open