ValueError: Cannot subset columns with a tuple with more than one element. Use a list instead

[Christopher7622]

I'm using 2.0.3 version pandas
Traceback (most recent call last):
File "MF/simple_reproduce.py", line 30, in
from batch_test import *
File "C:\Users\Administrator\PDAModelTests\MF\batch_test.py", line 10, in
data = Data2(args)
File "C:\Users\Administrator\PDAModelTests\MF\load_data.py", line 742, in init
self.load_ori_data(args)
File "C:\Users\Administrator\PDAModelTests\MF\load_data.py", line 639, in load_ori_data
user_item_time = train_data.groupby('uid')[('iid','time')].agg(list)
File "C:\Users\Administrator\anaconda3\lib\site-packages\pandas\core\groupby\generic.py", line 1767, in getitem
raise ValueError(
ValueError: Cannot subset columns with a tuple with more than one element. Use a list instead.

[zyang1580]

I'd like you to please read ReadMe.md to find the used version of Pandas.