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PiperOrigin-RevId: 626237596
Change-Id: If7abaa0052f3d07e1ec5b038e061f13ffa6a51ac
diff --git a/tradefed_cluster/util/ndb_test_lib.py b/tradefed_cluster/util/ndb_test_lib.py
index e1cad20..028f1e5 100644
--- a/tradefed_cluster/util/ndb_test_lib.py
+++ b/tradefed_cluster/util/ndb_test_lib.py
@@ -65,6 +65,7 @@
   def setUp(self):
     super(NdbTest, self).setUp()
     self.context_manager = NdbContextManager()
+    assert datastore is not None
     datastore.Clear()