Update app.py

app.py

@@ -1013,8 +1013,11 @@ def chat(message: str, history: List[tuple]) -> List[tuple]:
             
         response_data = rag_system.generate_response(message, history)
         response = process_chat_response(response_data, message, history)
-        history.append((message, response))
+        # Convert to message format
+        history.append({"role": "user", "content": message})
+        history.append({"role": "assistant", "content": response})
         return history
+        
     except Exception as e:
         logger.error(f"Error in chat: {e}")
         emergency_response = (
@@ -1024,7 +1027,8 @@ def chat(message: str, history: List[tuple]) -> List[tuple]:
             "- Visit NHS 111 online for non-urgent concerns\n\n"
             "Would you like to try asking your question again?"
         )
-        history.append((message, emergency_response))
+        history.append({"role": "user", "content": message})
+        history.append({"role": "assistant", "content": emergency_response})
         return history
 
 # Initialize RAG system globally
@@ -1044,7 +1048,7 @@ title = """
 <div style="text-align: center; max-width: 700px; margin: 0 auto;">
     <h1>Pearly Medical Assistant</h1>
     <p>Hi! I'm Pearly, your GP medical assistant. I can help assess your symptoms, 
-    provide medical guidance, and assist with finding appropriate care.</p>
+    provide medical guidance and assist with finding appropriate care.</p>
     <p style="color: #666; font-size: 0.9em;">For emergencies, always call 999</p>
 </div>
 """
@@ -1052,7 +1056,7 @@ title = """
 with gr.Blocks(css="footer {display: none}") as demo:
     gr.HTML(title)
     chatbot = gr.Chatbot(
-        value=[(None, "Hi! I'm Pearly, your GP medical assistant. How can I help you today?")],
+        value=[{"role": "assistant", "content": "Hi! I'm Pearly, your GP medical assistant. How can I help you today?"}],
         height=600,
         type="messages",
         label="Medical Consultation"