diff --git a/examples/demo-apps/android/LlamaDemo/app/src/androidTest/java/com/example/executorchllamademo/PerfTest.java b/examples/demo-apps/android/LlamaDemo/app/src/androidTest/java/com/example/executorchllamademo/PerfTest.java
index 5fb644b08f..cbd9db84a6 100644
--- a/examples/demo-apps/android/LlamaDemo/app/src/androidTest/java/com/example/executorchllamademo/PerfTest.java
+++ b/examples/demo-apps/android/LlamaDemo/app/src/androidTest/java/com/example/executorchllamademo/PerfTest.java
@@ -9,12 +9,14 @@
 package com.example.executorchllamademo;
 
 import static junit.framework.TestCase.assertTrue;
+
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 
+import android.os.Bundle;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.platform.app.InstrumentationRegistry;
-import android.os.Bundle;
+
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -39,23 +41,24 @@ public void testTokensPerSecond() {
     // Find out the model name
     File directory = new File(RESOURCE_PATH);
     Arrays.stream(directory.listFiles())
-            .filter(file -> file.getName().endsWith(".pte") || file.getName().endsWith(".pt"))
-            .forEach(model -> {
-                LlamaModule mModule = new LlamaModule(model.getPath(), tokenizerPath, 0.8f);
-                // Print the model name because there might be more than one of them
-                report("ModelName", model.getName());
-
-                int loadResult = mModule.load();
-                // Check that the model can be load successfully
-                assertEquals(0, loadResult);
-
-                // Run a testing prompt
-                mModule.generate("How do you do! I'm testing llama2 on mobile device", PerfTest.this);
-                assertFalse(tokensPerSecond.isEmpty());
-
-                final Float tps = tokensPerSecond.get(tokensPerSecond.size() - 1);
-                reportMetric("TPS", tps);
-            });
+        .filter(file -> file.getName().endsWith(".pte") || file.getName().endsWith(".pt"))
+        .forEach(
+          model -> {
+            LlamaModule mModule = new LlamaModule(model.getPath(), tokenizerPath, 0.8f);
+            // Print the model name because there might be more than one of them
+            report("ModelName", model.getName());
+
+            int loadResult = mModule.load();
+            // Check that the model can be load successfully
+            assertEquals(0, loadResult);
+
+            // Run a testing prompt
+            mModule.generate("How do you do! I'm testing llama2 on mobile device", PerfTest.this);
+            assertFalse(tokensPerSecond.isEmpty());
+
+            final Float tps = tokensPerSecond.get(tokensPerSecond.size() - 1);
+            reportMetric("TPS", tps);
+        });
   }
 
   @Override