def get_extra_context(self):
        return {
            'items': self.items,
        }
Similar to mix_columns above, but performed in inverse for decryption.
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/datagrids/sidebar.py/BaseSidebarSection.get_extra_context--crossover with--dataset/ETHPy150Open mrknow/filmkodi/plugin.video.mrknow/lib/utils/pyaes.py/AES.mix_columns_inv