Changed order of arguments for query script

tests/query_device.py

@@ -60,7 +60,9 @@ while arg_index < len(argv):
             continue
     elif not action:
         action = argv[arg_index]
-    elif action == 'write' and value == None:
+    else:
+        # if action is write, last argument should be value
+        if action == 'write' and arg_index == len(argv) - 1:
             try:
                 value = int(argv[arg_index])
             except ValueError: