出现AttributeError错误，麻烦大家帮忙解决

skyhouse

打算读取csv数据后，把时间竖列的数值去除最后2位，并代替整列，但运行的时候，出现AttributeError错误，麻烦大家帮忙解决

文件无法上传，发个网盘地址
链接：pan.baidu.com/s/1JmNnddG0UpRJomDca9AX1A?pwd=n9w1
提取码：n9w1

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import pandas as pd
import numpy as np
ceshi = pd.read_csv("g:\测试.csv",encoding='gb2312')
ceshi['时间'] = ceshi.时间.str[:-2]
print(ceshi)

Traceback (most recent call last):
  File "C:/Users/Administrator/PycharmProjects/pythonProject/venv/Scripts/2.py", line 4, in <module>
    ceshi['时间'] = ceshi.时间.str[:-2]
  File "C:\Users\Administrator\PycharmProjects\pythonProject\venv\lib\site-packages\pandas\core\generic.py", line 5902, in __getattr__
    return object.__getattribute__(self, name)
  File "C:\Users\Administrator\PycharmProjects\pythonProject\venv\lib\site-packages\pandas\core\accessor.py", line 182, in __get__
    accessor_obj = self._accessor(obj)
  File "C:\Users\Administrator\PycharmProjects\pythonProject\venv\lib\site-packages\pandas\core\strings\accessor.py", line 181, in __init__
    self._inferred_dtype = self._validate(data)
  File "C:\Users\Administrator\PycharmProjects\pythonProject\venv\lib\site-packages\pandas\core\strings\accessor.py", line 235, in _validate
    raise AttributeError("Can only use .str accessor with string values!")
AttributeError: Can only use .str accessor with string values!

skyhouse

没权限发布csv文件，想共享网盘网址也不行。。。。哎

hrpzcf

报错：只能对字符串使用.str访问器，说明ceshi.时间    返回的不是字符串