Update app.py

app.py

@@ -63,7 +63,7 @@ if "chat_engine" not in st.session_state.keys():
 
     st.session_state.chat_engine = index.as_chat_engine(
         chat_mode="context",
-        verbose=True
+        verbose=True,
         system_prompt = ("""You are an AI assistant for the Brize learning platform chat interface.
                     Brize, a continuous learning platform, leverages the GROW career coaching framework to guide employee growth at every career stage.
                     Follow these instructions to provide the best user experience: