Update app.py

app.py

@@ -108,7 +108,7 @@ def roleChoice(role):
 def talk2file(index_name, text):
     #disable the global message
     #global messages
-    messages = []
+    messages = [{"role": "system", "content": 'You are a helpful assistant.'}]
     
     #same as filesearch
     init_pinecone()