def _check_246(self, engine, data):
        pci_devices = oslodbutils.get_table(engine, 'pci_devices')
        self.assertEqual(1, len([fk for fk in pci_devices.foreign_keys
                                 if fk.parent.name == 'compute_node_id']))
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/tests/unit/db/test_migrations.py/NovaMigrationsCheckers._check_246/original