Update main.py

main.py

@@ -62,7 +62,11 @@ def get_chat_history(chat_messages):
     chat_history = []  
     for message in chat_messages:  
         chat_history.append(ChatMessage(content=message.content, role=message.role))  
-    return chat_history[-4:]
+    return chat_history[-6:]
+
+@app.get("/")
+def index():
+    return {"content":"Chatbot NSI"}
 
 @app.post('/request')
 def request(req: Request):