| dtd == AutoRacingSchedule.dtd = do
let m = unpickleDoc AutoRacingSchedule.pickle_message xml
maybe (return $ ImportFailed errmsg) migrate_and_import m
| dtd == AutoRacingSchedule.dtd = do
let m = unpickleDoc AutoRacingSchedule.pickle_message xml
maybe (return $ ImportFailed errmsg) migrate_and_import m