def friend_count(self):
        return self.friends.count()
Used mostly by the `to_string` function on Graph Objects to pretty print.
dataset/ETHPy150Open muhuk/django-simple-friends/friends/models.py/Friendship.friend_count--crossover with--dataset/ETHPy150Open plotly/plotly.py/plotly/graph_objs/graph_objs_tools.py/curtail_val_repr