Update app.py

app.py

@@ -57,6 +57,7 @@ if st.session_state.stage == "prompt-input":
         messages=[{"role":"user","content":prompt}])
 
         full_response = ""
+        message_placeholder = st.empty()
         for chunk in completion.choices[0].message.content.split():
             full_response += chunk + " "
             time.sleep(0.05)