diff --git a/smoketest/scripts/cli/test_system_option.py b/smoketest/scripts/cli/test_system_option.py
index e0874a46eee..6e440315b10 100755
--- a/smoketest/scripts/cli/test_system_option.py
+++ b/smoketest/scripts/cli/test_system_option.py
@@ -23,6 +23,7 @@
 
 base_path = ['system', 'option']
 
+
 class TestSystemOption(VyOSUnitTestSHIM.TestCase):
     def tearDown(self):
         self.cli_delete(base_path)
@@ -67,9 +68,36 @@ def test_performance(self):
         gc_thresh2 = '262000'
         gc_thresh3 = '524000'
 
-        self.cli_set(['system', 'sysctl', 'parameter', 'net.ipv4.neigh.default.gc_thresh1', 'value', gc_thresh1])
-        self.cli_set(['system', 'sysctl', 'parameter', 'net.ipv4.neigh.default.gc_thresh2', 'value', gc_thresh2])
-        self.cli_set(['system', 'sysctl', 'parameter', 'net.ipv4.neigh.default.gc_thresh3', 'value', gc_thresh3])
+        self.cli_set(
+            [
+                'system',
+                'sysctl',
+                'parameter',
+                'net.ipv4.neigh.default.gc_thresh1',
+                'value',
+                gc_thresh1,
+            ]
+        )
+        self.cli_set(
+            [
+                'system',
+                'sysctl',
+                'parameter',
+                'net.ipv4.neigh.default.gc_thresh2',
+                'value',
+                gc_thresh2,
+            ]
+        )
+        self.cli_set(
+            [
+                'system',
+                'sysctl',
+                'parameter',
+                'net.ipv4.neigh.default.gc_thresh3',
+                'value',
+                gc_thresh3,
+            ]
+        )
 
         self.cli_set(base_path + ['performance', 'network-throughput'])
         self.cli_commit()