```python
rs = pd.Series(cs[0]).sort_values(ascending=0)
top5 = rs.iloc[0:5]
top5
```出现错误
ValueError Traceback (most recent call last)
in
----> 1 rs = pd.Series(cs[0]).sort_values(ascending=0)
2
3
4 top5 = rs.iloc[0:5]
5 top5
C:\ProgramData\Anaconda3\lib\site-packages\pandas\core\series.py in sort_values(self, axis, ascending, inplace, kind, na_position, ignore_index, key)
3269
3270 if not is_bool(ascending):
-> 3271 raise ValueError("ascending must be boolean")
3272
3273 if not ascending:
ValueError: ascending must be boolean
