Wis. Stat. § 757.08

No process, proceeding or action, civil or criminal, before any court of record shall be discontinued by the occurrence of any vacancy in the office of any judge or of all the judges of such court, nor by the election of any new judge or judges of any such court, but the persons so elected shall have power to continue, hear and determine such process, proceedings or action as their predecessors might have done if no new election had been held.