Update app.py

app.py

@@ -50,7 +50,7 @@ chain = load_qa_chain(OpenAI(temperature=0,model_name="gpt-3.5-turbo"), chain_ty
 
 def predict(message, history):
     history_langchain_format = []
-    for human, ai in history:
+    for system,human, ai in history:
         history_langchain_format.append(SystemMessage(content=system))
         history_langchain_format.append(HumanMessage(content=human))
         history_langchain_format.append(AIMessage(content=ai))