Lawsuit for liability of the ostensible partner of a silent partnership brought by the undisclosed partner with a request for emergency relief. Contract with an arbitration clause. Dismissal of the case in view of an objection based on an arbitration agreement raised only in an interlocutory appeal. Impossibility of maintaining the emergency relief due to the impossibility of converting the collection action into interim protective relief, the only circumstance under which the matter could be examined by the judiciary: