Update app.py

app.py

@@ -113,12 +113,6 @@ agent_with_chat_history = RunnableWithMessageHistory(
     history_messages_key="chat_history",
 )
 
-username = ""
-
-def set_username(name, login_box, chatbot_box):
-    global username
-    username = name
-    return gr.update(visible=False), gr.update(visible=True)
 
 # Gradio chat response function
 
@@ -208,6 +202,14 @@ def respond(message, history: list[dict]):
 
 # launch ChatInterface
 
+
+username = ""
+
+def set_username(name):
+    global username
+    username = name
+    return gr.update(render=False), gr.update(visible=True)
+
 with gr.Blocks(
     css="""
     .centered-login {
@@ -227,7 +229,7 @@ with gr.Blocks(
     with gr.Row():
             
         # Login UI (centered, small)
-        login_box = gr.Column(visible=True, elem_classes="centered-login")
+        login_box = gr.Column(render=True, elem_classes="centered-login")
         with login_box:
             gr.Markdown("### Choose a username to begin:")
             with gr.Row():
@@ -249,8 +251,8 @@ with gr.Blocks(
     hidden_guest = gr.Textbox(value="Guest", visible=False)
     
     # Button clicks
-    btn_lina.click(set_username, inputs=[hidden_lina, login_box, chatbot_box], outputs=[login_box, chatbot_box])
-    btn_guest.click(set_username, inputs=[hidden_guest, login_box, chatbot_box], outputs=[login_box, chatbot_box])
+    btn_lina.click(set_username, inputs=[hidden_lina], outputs=[login_box, chatbot_box])
+    btn_guest.click(set_username, inputs=[hidden_guest], outputs=[login_box, chatbot_box])
 
 
 '''