remove duplicated import and fix it in code

[doomedraven]

[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  <----