fixing login button

app.py

@@ -142,9 +142,12 @@ def gradio_interface() -> gr.Blocks:
                 user_state = gr.State(value=None) 
                 filename = gr.State(value=None) 
                 eval_state = gr.State(value=None) 
+                print(f"User state: {user_state}")
 
                 login_button = gr.LoginButton()
-                login_button.click(get_user, inputs=None, outputs=user_state)
+                login_button.click(get_user, inputs=[], outputs=user_state)
+
+                print(f"User state: {user_state}")
 
                 with gr.Row():
                     problem_type = gr.Dropdown(PROBLEM_TYPES, label="Problem Type")