In rest.py, the package uses self.urllib3_response.getheaders() However, as per urllib 2.6.0, the method is dropped. Attaching the snippet below - <img width="1191" height="133" alt="Image" src="https://github.com/user-attachments/assets/6e396728-c35d-467c-a91d-67557e0efcb8" /> Let us fix this.