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数据集链接失效了，可以更新一下么哥

您好，数据链接又失效了

我运行到第十章的代码，老会有缺少d2l中的某个模块的错

求前人发发

数据集可不可以提供一个压缩包, 文件太多, 转存都转存不了, 如果能提供其他网盘链接, 比如阿里, 就更好了, 谢谢

大佬，数据集链接挂啦

"""
iou函数未检测当两个框没有intersection的时候,如
box1 = (1,2,3,4)
box2 = (5,6,7,8)
"""
def iou(box1, box2):
xi1 = np.maximum(box1_x1, box2_x1)
yi1 = np.maximum(box1_y1, box2_y1)
xi2 = np.minimum(box1_x2, box2_x2)
yi2 = np.minimum(box1_y2, box2_y2)
inter_width = xi1-xi2
inter_height =yi1-yi2
inter_area = inter_width * inter_height
#suggest add the code below
if inter_width>0 and inter_height>0:
inter_area = 0

box1_area = (box1_x1 - box1_x2)*(box1_y1-box1_y2)
box2_area = (box2_x1 - box2_x2)*(box2_y1-box2_y2)
union_area = box1_area +  box2_area - inter_area

# compute the IoU 
iou = inter_area/ union_area