-#!/usr/bin/env python
+#!/usr/bin/env python3
import inspect
import os
import six
from six import moves
import sys
-from aenum import IntEnum, IntFlag
+
+if sys.version_info < (3,):
+ from aenum import IntEnum, IntFlag
+else:
+ from enum import IntEnum, IntFlag
class SerializableClassCopy(object):