Update app.py

app.py

@@ -108,7 +108,7 @@ def save_responses_to_hf(rows, repo_id: str | None = None, token: str | None = N
             json_bytes = json.dumps(row_dict, indent=2).encode("utf-8")
 
             api.upload_file(
-                path_or_obj=json_bytes,
+                path_or_fileobj=json_bytes,
                 path_in_repo=path_in_repo,
                 repo_id=repo_id,
                 repo_type="dataset",