Update app.py

app.py

@@ -320,7 +320,7 @@ class DataViewerApp:
                 token_login = gr.Textbox(label="token")
               
                 login_button = gr.Button("Login")
-            with gr.Column(scale=1, visible=True) as main_panel:
+            with gr.Column(scale=1, visible=False) as main_panel:
                 with gr.Row(equal_height=False):
                       with gr.Tabs():
                           with gr.TabItem("Processing Data  "):