need sys import in autoserv_utils

BUG=chromium:1182796
TEST=None

Change-Id: I351cbdea0eb11b43ae611b384ab708edfaaba922
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/2724111
Reviewed-by: Sarthak Kukreti <sarthakkukreti@chromium.org>
Commit-Queue: Sarthak Kukreti <sarthakkukreti@chromium.org>
Tested-by: Sarthak Kukreti <sarthakkukreti@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/2779314
Reviewed-by: Evan Green <evgreen@chromium.org>
Commit-Queue: Evan Green <evgreen@chromium.org>
Tested-by: Evan Green <evgreen@chromium.org>
diff --git a/server/autoserv_utils.py b/server/autoserv_utils.py
index f609fdc..bd3067a 100644
--- a/server/autoserv_utils.py
+++ b/server/autoserv_utils.py
@@ -4,6 +4,7 @@
 # found in the LICENSE file.
 
 import os
+import sys
 
 import common
 from autotest_lib.client.common_lib import control_data