from sfa.rspecs.rspec import RSpec
from sfa.rspecs.version_manager import VersionManager
-from sfa.util.py23 import StringIO
+from io import StringIO
xslt = '''<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="no"/>