Merge branch 'main' into avm99963-monorail

Merged commit 3779da353b36d43cf778e7d4f468097714dd4540

GitOrigin-RevId: 6451a5c6b75afb0fd1f37b3f14521148d0722ea8
diff --git a/tracker/test/tracker_views_test.py b/tracker/test/tracker_views_test.py
index 797b079..ddc2a3e 100644
--- a/tracker/test/tracker_views_test.py
+++ b/tracker/test/tracker_views_test.py
@@ -11,7 +11,10 @@
 import logging
 import unittest
 
-import mox
+try:
+  from mox3 import mox
+except ImportError:
+  import mox
 
 from google.appengine.api import app_identity
 import ezt