def _metadata(self):
        kw = {}
        if self.migration_context.opts in 'target_metadata':
            mt = self.migration_context.opts['target_metadata']
            if hasattr(mt, 'naming_convention'):
                kw['naming_convention'] = mt.naming_convention
        return sa_schema.MetaData(**kw)
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/alembic/operations.py/Operations._metadata/swapped operands of `in`