As @Algorithmus has pointed out, the game doesn't run with newer versions of pyscroll anymore. As a quick fix, we just specify the needed version. Ultimately, we should figure out why this incompatibility happens as adjust the code to the newer version of pyscroll.
As @Algorithmus has pointed out, the game doesn't run with newer versions of pyscroll anymore. As a quick fix, we just specify the needed version. Ultimately, we should figure out why this incompatibility happens as adjust the code to the newer version of pyscroll.