def new_cursor_down(self):
        """Add a new cursor one line down."""
        x = self.get_cursor().x
        cursor = self.get_last_cursor()
        if cursor.y == 1-len(self.lines):
            return
        new = Cursor(x, cursor.y+1)
        self.cursors.append(new)
        self.move_cursors()
        self.scroll_down()
dataset/ETHPy150Open richrd/suplemon/suplemon/editor.py/Editor.new_cursor_down/swapped operands of `-`