import json
import shutil
from lxml import etree
-from StringIO import StringIO
from optparse import OptionParser
from pprint import PrettyPrinter
from tempfile import mkstemp
from sfa.util.version import version_core
from sfa.util.cache import Cache
from sfa.util.printable import printable
+from sfa.util.py23 import StringIO
from sfa.storage.record import Record