Fix run_cmd command on both Python 2 and 3.
Fix run_cmd command on both Python 2 and 3.

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