A probe was launched into the conduct of Lord Maginnis' treatment of Livingston MP Hannah Bardell and three other complainants.
Inquiry accuses former Liberal leader of 'abdication of responsibility' over child sex allegations against late MP Cyril Smith.
The SNP's former Westminster leader will contest the seat currently held by Ruth Davidson.
The European Union (Withdrawal Agreement) Bill was passed by 330 votes to 231.
SNP MP Hannah Bardell accused Lord Maginnis of a 'hate crime' after he called her 'queer'.