test one-time link (deleted after verification, and helps with the inconsistency issue to not confuse user when logging out)

app.py

@@ -53,6 +53,9 @@ def hello(profile: gr.OAuthProfile | None, request: gr.Request) -> str:
     if profile is None:
         return f"# ❌ Not logged in with Hugging Face yet."
 
+    # Remove the token after successful verification
+    del user_tokens[int(user_id)]
+
     return f"# ✅ Successfully logged in as {profile.username}. User ID: {user_id}"
 
 with gr.Blocks() as demo:
@@ -61,14 +64,9 @@ with gr.Blocks() as demo:
     with gr.Row():
         login_button = gr.LoginButton()
 
-            
     m1 = gr.Markdown()
     demo.load(hello, inputs=None, outputs=m1)
 
-
-
-
-    
     def check_login_status():
         try:
             return login_button.get_session().get("oauth_info", None)
@@ -84,4 +82,4 @@ with gr.Blocks() as demo:
 
     login_button.click(check_login_wrapper, inputs=None, outputs=m1)
 
-demo.launch()
+demo.launch()