def weight_island(self, edge):
        if (len(self.pixel_graph[edge[0]]) == 1
            or len(self.pixel_graph[edge[1]]) == 1):
            return (5, 5)
        return (0, 0)
Return a mapping from family id to default lang tag, for families
dataset/ETHPy150Open jerith/depixel/depixel/depixeler.py/IterativeFinalShapeHeuristics.weight_island--crossover with--dataset/ETHPy150Open googlei18n/nototools/nototools/generate_website_2_data.py/get_family_id_to_default_lang_scr