Fresh off the world premiere of Cannes Camera d’Or winner César Díaz’s Bérénice Béjo-starring “Mexico 86” in Locarno’s Piazza Grande, France’s Tripode Productions has come on board to co-produce the upcoming feature “Uptight Ass,” from writer-director Matija Gluščević and co-writer Dušan Zorić. The duo’s last collaboration, “Have You Seen This Woman?,” played…