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app.py

@@ -33,8 +33,12 @@ def generate_response(message, history, system_message, max_tokens, temperature,
 
     messages = [{"role": "system", "content": system_message}]
 
+    # Handle Gradio 5.x history format (list of dicts with 'role' and 'content')
     for item in history:
-        if isinstance(item, (list, tuple)) and len(item) == 2:
+        if isinstance(item, dict):
+            messages.append({"role": item["role"], "content": item["content"]})
+        elif isinstance(item, (list, tuple)) and len(item) == 2:
+            # Legacy format (list of tuples)
             user_msg, assistant_msg = item
             if user_msg:
                 messages.append({"role": "user", "content": user_msg})
@@ -85,6 +89,7 @@ demo = gr.ChatInterface(
         ["What's the weather like in San Francisco?"],
         ["Can you search for the latest news about AI?"],
     ],
+    type="messages",  # Use the new messages format explicitly
 )
 
 if __name__ == "__main__":