langchain/document_loaders/evernote.py/EverNoteLoader/_parse_resource
class EverNoteLoader:    def _parse_resource(resource: list) -> dict:
        rsc_dict: Dict[str, Any] = {}
        for elem in resource:
            if elem.tag == "data":
                # Sometimes elem.text is None
                rsc_dict[elem.tag] = b64decode(elem.text) if elem.text else b""
                rsc_dict["hash"] = hashlib.md5(rsc_dict[elem.tag]).hexdigest()
            else:
                rsc_dict[elem.tag] = elem.text

        return rsc_dict