diff --git a/common/prefix.py b/common/prefix.py
index 8f39141..52d9095 100644
--- a/common/prefix.py
+++ b/common/prefix.py
@@ -2,8 +2,7 @@ import os
 import shutil
 import uuid
 
-from typing import Optional
-
+from typing import Optiona
 
 from openpilot.common.params import Params
 from openpilot.system.hardware.hw import Paths
diff --git a/system/timezoned.py b/system/timezoned.py
index 2cfc007..b46c6e0 100755
--- a/system/timezoned.py
+++ b/system/timezoned.py
@@ -12,6 +12,8 @@ from openpilot.system.hardware import AGNOS
 from openpilot.common.swaglog import cloudlog
 from openpilot.system.version import get_version
 
+from openpilot.common.watcher import Watcher
+
 REQUEST_HEADERS = {'User-Agent': "openpilot-" + get_version()}
 
 
@@ -50,6 +52,9 @@ def main() -> NoReturn:
 
     location = params.get("LastGPSPosition", encoding='utf8')
 
+    # test
+    Watcher.log_watch("location", location)
+
     # Find timezone by reverse geocoding the last known gps location
     if location is not None:
       cloudlog.debug("Setting timezone based on GPS location")