def _compare_diffs(self, diffs, compare_to):
        diffs = [
            (
                cmd,
                fk._get_colspec() if isinstance(fk, sa.ForeignKey)
                else "tone_id_fk" if fk is None  # sqlite workaround
                else fk,
                tname, fk_info
            )
            for cmd, fk, tname, fk_info in diffs
        ]
        self.assertEqual(diffs, compare_to)
dataset/ETHPy150Open openstack/oslo.db/oslo_db/tests/sqlalchemy/test_migrations.py/TestOldCheckForeignKeys._compare_diffs/original