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app.py

@@ -311,7 +311,7 @@ SEND_NOTIFICATION_TOOL: dict = {
 
 def dice_roll() -> int:
     """Simulate rolling two six-sided dice (result range: 2–12)."""
-    return random.randint(2, 12)   # fixed: two dice → min is 2, not 1
+    return random.randint(2, 12)
 
 
 DICE_ROLL_TOOL: dict = {
@@ -526,11 +526,11 @@ build_rag_index(documents, collection)
 demo = gr.ChatInterface(
     fn=respond_chatbot,
     title="Mohammad Areef Penukonda — Digital Twin",
+    chatbot=gr.Chatbot(avatar_images=(None, "Areef.jpeg")),
     description=(
         "Chat with an AI representation of Mohammad Areef Penukonda. "
         "Ask about his background, experience, or education."
     ),
-    # NOTE: type="messages" removed — only supported in Gradio 4.x+
     examples=["What's your background?", "Professional Experience"]
 )