Update app.py

app.py

@@ -29,7 +29,7 @@ def respond(
     temperature,
     top_p,
 ):
-    messages = [{"role": "system", "content": system_message}, "context": retriever]
+    messages = [{"role": "system", "content": system_message, "context": retriever}]
 
     for val in history:
         if val[0]: