pattern3.db import CSV throws OverflowError: Python int too large to convert to C long

[Code4SAFrankie]

from pattern3.db import CSV

throws the error

Traceback (most recent call last):
File "", line 1, in
File "E:\WPy-3710\python-3.7.1.amd64\lib\site-packages\pattern3\db_init_.py", line 2159, in
csvlib.field_size_limit(sys.maxsize)
OverflowError: Python int too large to convert to C long

on

WinPython 3.7.1 (v3.7.1:260ec2c36a, Oct 20 2018, 14:57:15) [MSC v.1915 64 bit (AMD64)] on win32

[Code4SAFrankie]

Not sure what the line csvlib.field_size_limit(sys.maxsize) is doing there. I just commented it and then from pattern3.db import CSV worked fine. Not sure if the comment will cause other issues though.