--- a/xmlclass/xsdschema.py	Fri Oct 12 12:06:45 2018 +0300
+++ b/xmlclass/xsdschema.py	Fri Oct 12 13:24:47 2018 +0300
@@ -30,6 +30,7 @@
 import datetime
 from types import FunctionType
 from xml.dom import minidom
+from future.builtins import round
 from six import string_types
 from past.builtins import long