repo structure fallback

app.py

@@ -54,7 +54,11 @@ def fetch_repo_structure(results_uri, split_checkpoints=False, oauth_token: gr.O
         token = oauth_token.token
 
     data_folder = DataFolder(results_uri, token=token)
-    runs = [f.removeprefix("details/") for f in data_folder.list_files("details", recursive=False, include_directories=True) if f != "details"]
+    try:
+        runs = [f.removeprefix("details/") for f in data_folder.list_files("details", recursive=False, include_directories=True) if f != "details"]
+    except Exception as e:
+        print(f"Error fetching repo structure: {e}")
+        runs = []
 
     if not runs:
         return {}, gr.update(choices=[], value=None)