update

app.py

@@ -46,11 +46,14 @@ def commit_signup(username: str) -> Optional[str]:
         with tempfile.NamedTemporaryFile(mode='w', suffix='.csv', delete=False) as tmp:
             updated_data.to_csv(tmp.name, index=False)
             
-            operation = CommitOperationAdd(
-                path_in_repo="waitlist.csv",
-                path_or_fileobj=tmp.name
-            )
-            
+            try:
+                operation = CommitOperationAdd(
+                    path_in_repo="waitlist.csv",
+                    path_or_fileobj=tmp.name
+                )
+            except Exception as e:
+                print(f"CommitOperationAdd {str(e)}")     
+                       
             try:
                 create_commit(
                     repo_id=DATASET_REPO,