code: def api_sensors(self) -> Set[str]:
          
          today = round_time(datetime.now(timezone.utc), by=timedelta(days=1))
          c = requests.get(
              f"https://opensky-network.org/api/sensor/myStats"
              f"?days={int(today.timestamp())}",
              auth=self.auth,
          )
          if c.status_code != 200:
              raise ValueError(c.content.decode())
          return set(c.json()[0]["stats"].keys())
docs: The set of sensors serials you own (require authentication).