With tabs vs spaces stuff, the problem is that it's not exactly something that you can teach (like you said the editor will handle it for you). Then later if a

With tabs vs spaces stuff, the problem is that it's not exactly something that you can teach (like you said the editor will handle it for you). Then later if a beginner tries doing something on their own and runs into that error, it's not exactly intuitive how to fix it and they run into a brick wall that can't be solved no matter how much they look at their code.