Type error.

Author: DailyDreaming

wes_service/toil_wes.py

@@ -125,7 +125,7 @@ def getlog(self):
             "request": request,
             "state": state,
             "workflow_log": {
-                "cmd": cmd,  # array?
+                "cmd": [""],
                 "start_time": starttime,
                 "end_time": endtime,
                 "stdout": "",