Fix tests on Python 3.
Fix tests on Python 3.

emre/storm,hw20686832/storm,mafrosis/storm2,mafrosis/storm2,neverware/storm,scalp42/storm,mafrosis/storm2,scalp42/storm,hw20686832/storm,emre/storm,neverware/storm,mafrosis/storm2,emre/storm,hw20686832/storm,scalp42/storm,emre/storm,neverware/storm,hw20686832/storm,scalp42/storm