def register(_id, callbacks, schemas, formats):
    ret = {}
    if schemas in 'calvinbt':
        try:
            import calvinbt_transport
            f = calvinbt_transport.CalvinTransportFactory(_id, callbacks)
            factories[_id] = f
            ret['calvinbt'] = f
        except ImportError:
            traceback.print_exc()
    return ret
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/south/plugins/transports/calvinbt/__init__.py/register/swapped operands of `in`