How many movies have Otakar Hanuš and Štěpán Kopecký collaborated on?

They have worked on 9 movies together! Their first movie together was Madla from the Brickworks (1933) while their highest rated movie together was Srdce v soumraku (1936). They have not worked together since Srdce v soumraku (1936). They are most known for their comedy films together.