Python3 ValueError: not enough values unpacked (expected 2, got 0)
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报错信息：Python3-ValueError: 解包所需值数量不足（预期2个，实际获得0个）
具体错误内容如下：
Traceback (most recent call last):
File "/Users/zhangsf/code/python/my-project/Subsidy.py", line 83, in <module>
xy1.boxplot(column='ranking', by='subsidy')
File "/Users/zhangsf/anaconda3/lib/python3.7/site-packages/pandas/plotting/_core.py", line 2254, in boxplot_frame
return_type=return_type, **kwds)
File "/Users/zhangsf/anaconda3/lib/python3.7/site-packages/pandas/plotting/_core.py", line 2223, in boxplot
return_type=return_type)
File "/Users/zhangsf/anaconda3/lib/全部评论 (0)
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