Update app.py

app.py

@@ -22,7 +22,7 @@ examples = [
     ]
 ]
 
-user_input = []
+user_input = ['']
 
 
 with gr.Blocks() as demo:
@@ -30,8 +30,9 @@ with gr.Blocks() as demo:
     msg = gr.Textbox()
     clear = gr.ClearButton([msg, chatbot])
 
-    def respond(message,chat_history):
-        user_input.append([chat_history[0]])
+    def respond(messages):
+        global user_input
+        user_input.append(messages[0])  # Wrap user input in a list
         bot_message = palm.chat(
             **defaults,
             context=context,
@@ -39,8 +40,8 @@ with gr.Blocks() as demo:
             messages=user_input
         )
         time.sleep(2)
-        return "", chat_history
+        return bot_message['message']
 
-    msg.submit(respond,[msg,chatbot],[msg,chatbot])
+    msg.submit(respond, [msg, chatbot],[msg, chatbot])
 
 demo.launch()