Update app.py

app.py

@@ -109,11 +109,10 @@ with gr.Blocks(title="HF Repo Access Manager") as demo:
 
     # Refresh external data.
     def refresh_all_data(token, force = False):
-        if not token:
-            gr.Warning("Please login first!")
-            return gr.Dropdown(choices=[], value=None), gr.Dropdown(choices=[], value=[])
-        
         try:
+            if not token:
+                raise ValueError("Please login first!")
+                
             # Refresh repos
             lrepos = get_user_repos(profile.username, oauth_token.token)