You may want to check if the version of the Python interpreter used to run the script got changed somehow.
This happens when you most likely have more than one Python installed on your system and you're running the program from a version different from the one you programmed it in.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.