diff --git a/perfmetrics/scripts/testing_on_gke/examples/utils/utils_test.py b/perfmetrics/scripts/testing_on_gke/examples/utils/utils_test.py
index 1c4d2b3b57..0c5b07f8c8 100644
--- a/perfmetrics/scripts/testing_on_gke/examples/utils/utils_test.py
+++ b/perfmetrics/scripts/testing_on_gke/examples/utils/utils_test.py
@@ -35,7 +35,7 @@ def setUpClass(self):
     self.end = '2024-09-25 07:06:22 UTC'
 
   def test_get_memory(self):
-    low1, high1 = get_memory_from_monitoring_api(
+    low, high = get_memory_from_monitoring_api(
         project_id=self.project_id,
         cluster_name=self.cluster_name,
         pod_name=self.pod_name,
@@ -43,11 +43,11 @@ def test_get_memory(self):
         start_epoch=self.start_epoch,
         end_epoch=self.end_epoch,
     )
-    self.assertLessEqual(low1, high1)
-    self.assertGreater(high1, 0)
+    self.assertLessEqual(low, high)
+    self.assertGreater(high, 0)
 
   def test_get_cpu(self):
-    low1, high1 = get_cpu_from_monitoring_api(
+    low, high = get_cpu_from_monitoring_api(
         project_id=self.project_id,
         cluster_name=self.cluster_name,
         pod_name=self.pod_name,
@@ -55,8 +55,8 @@ def test_get_cpu(self):
         start_epoch=self.start_epoch,
         end_epoch=self.end_epoch,
     )
-    self.assertLessEqual(low1, high1)
-    self.assertGreater(high1, 0)
+    self.assertLessEqual(low, high)
+    self.assertGreater(high, 0)
 
   def test_timestamp_to_epoch(self):
     self.assertEqual(timestamp_to_epoch('2024-08-21T19:20:25'), 1724268025)