Update app.py

app.py

@@ -5,7 +5,7 @@ from langchain.schema import (AIMessage, HumanMessage, SystemMessage)
 
 def load_answer(question):
     st.session_state.sessionMessages.append(HumanMessage(content=question))
-    chat = ChatOpenAI(temperature=0)
+    chat = ChatOpenAI(model="gpt-3.5-turbo",temperature=0)
     answer = chat(st.session_state.sessionMessages)
     st.session_state.sessionMessages.append(AIMessage(answer.content))
     return answer.content