fixing login button

app.py

@@ -145,7 +145,7 @@ def gradio_interface() -> gr.Blocks:
                 print(f"User state: {user_state}")
 
                 login_button = gr.LoginButton()
-                login_button.click(get_user, inputs=[], outputs=user_state)
+                login_button.click(get_user, inputs=None, outputs=user_state)
 
                 print(f"User state: {user_state}")