remove duplicated import and fix it in code

[doomedraven]

No description provided.

[doomedraven]

hello you have this in code, so that fixes that and make it more py3 friendly without break py2 support

import cStringIO <----
import binascii
import textwrap
import re
import string
import hashlib
import json
if sys.version_info[0] >= 3:
    from io import StringIO
else:
    from cStringIO import StringIO  <----

[williamdes]

Thank you !
Tested on Python 3.11

The import should be replaced by from io import StringIO