'Select next row in list widget.'

def next_row(self):

    if (self.mode == self.SYMBOL_MODE):
        self.select_row((+ 1))
        return
    next_row = (self.current_row() + 1)
    if (next_row < self.count()):
        if ('</b></big><br>' in self.list.item(next_row).text()):
            self.select_row((+ 2))
        else:
            self.select_row((+ 1))
