Tišma was still a child when World War II began and the Independent State of Croatia was established under the fascist Ustaše.
[4] Tišma arrived in Belgrade after the end of the war, and she and her siblings lived afterward in various parts of the People's Republic of Serbia.
She was a member of the League of Communists of Yugoslavia and served on its central committee; in this capacity, she delivered lectures of behalf of the party at different locations across the country.
In the 2020 Serbian parliamentary election, Tišma was given the fifth position on a coalition electoral list led by the Socialist Party of Serbia.
The Socialists continued their participation in a coalition government led by the Serbian Progressive Party (SNS) after the election, and Tišma served as a supporter of the administration.
As the assembly's oldest member (according to her officially registered birth date),[8] she was its interim president from 3 August until 22 October 2020, when Socialist Party leader Ivica Dačić was chosen as speaker.