请问应该如何修改？
报错提示：
Traceback (most recent call last):
File "D:/code/cut-file.py", line 6, in
data_frame = re.split('[:室 | (]', str_test)
File "D:\python\lib\re.py", line 213, in split
return _compile(pattern, flags).split(string, maxsplit)
TypeError: expected string or bytes-like object
import pandas as pd
import re
data_frame = pd.read_csv('二手房数据 - 副本 (2).csv',encoding='utf-8')
str_test = data_frame['房子基本信息'].str
data_frame = re.split('[:室 | (]', str_test)
data_frame.to_csv('二手房数据 - 副本 (2).csv')
data_frame = re.split('[:室 | (]', str(str_test))
import pandas as pd
import re
data_frame = pd.read_csv('二手房数据 - 副本 (2).csv',encoding='utf-8')
str_test = data_frame['房子基本信息'].__str__()
data_frame = re.split('[:室 | (]', str_test)
data_frame.to_csv('二手房数据 - 副本 (2).csv')