Questione giuridica chiave
Whether the request to convert part of the prison sentence was admissible on federal appeal despite not being raised in cantonal proceedings.
Decisione estratta
The request was inadmissible because it had not been exhausted before the cantonal courts.
Motivazione estratta
The conversion plea was raised for the first time before the Federal Supreme Court; under the exhaustion requirement, new arguments not presented to the cantonal instance cannot be examined.