I've tried that now. It didn't work. I apologise: I should have been more specific. The syntax error of 'expected statement' appeared in all instances where I used the renpy.change_language() fxn.
Hey, this post was a long time ago, but I can't figure something out: when I try to make a menu option for changing the languages, I get an error where it says that it expected a statement in the line that says renpy.change_language(None).