> the sort of thing 2to3 could trivially deal with
2to3 could also trivially add +, and if anything, that would actually help surface these kind of bugs, because if you randomly see a + in the middle of your list of strings, it's much easier to spot the bug than if there was a missing comma.
2to3 could also trivially add +, and if anything, that would actually help surface these kind of bugs, because if you randomly see a + in the middle of your list of strings, it's much easier to spot the bug than if there was a missing comma.