Update app.py

app.py

@@ -311,7 +311,7 @@ demo = gr.ChatInterface(
     ],
     examples=[
         [{"text": "@gemma3 Explain the Image", "files": ["examples/3.jpg"]}],
-        ["@gemma3 Explain Critical Temperature of Substance"]
+        ["@gemma3 Explain Critical Temperature of Substance"],
         [{"text": "@gemma3 Transcription of the letter", "files": ["examples/222.png"]}],
         [{"text": "@video-infer Explain the content of the Advertisement", "files": ["examples/videoplayback.mp4"]}],
         [{"text": "@video-infer Explain the content of the video in detail", "files": ["examples/breakfast.mp4"]}],