Reference solution for ModuleNotFoundError: No module named 'cStringIO'

1. Problem description

Running the python file today encountered the following error:

ModuleNotFoundError: No module named 'cStringIO' 

Two, the solution

The reason is that python3.X has canceled the cStringIO module, but StringIO can be found in the io module. So the solution is:
the main reason is that the module has been removed from python3.X cStringIO, we can only find the module in the io module StringIO, so the code needs to be modified:

import cStringIO as sio

change into

from io import StringIO as sio

reference link

[1] Long Heart Like Water. ImportError: No module named 'cStringIO' [EB/OL]. https://blog.csdn.net/S20144144/article/details/100518249, 2019-09-03/2023-03- twenty one.