def METHOD_NAME(login: str) -> Optional[dto.PersonSimple]:
    url = urllib.parse.urljoin(config.INBUS_SERVICE_IDM_URL, f'person/login/{login}')
    person_resp = utils.inbus_request(url, {})
    if not person_resp:
        return None
    person_json = person_resp.json()
    # INBUS may return response that has missing fields
    if 'login' not in person_json:
        return None
    person_simple = dto.PersonSimple(login=person_json["login"].upper(), first_name=person_json.get('firstName', ''), second_name=person_json.get('secondName', ''),
                                full_name=person_json.get('fullName', ''), email=person_json.get('email', ''))
    return person_simple