code: def refresh_client(self):
          
          req = self.session.post(
              self._fmip_refresh_url,
              params=self.params,
              data=json.dumps(
                  {
                      'clientContext': {
                          'fmly': True,
                          'shouldLocate': True,
                          'selectedDevice': 'all',
                      }
                  }
              )
          )
          self.response = req.json()
  
          for device_info in self.response['content']:
              device_id = device_info['id']
              if device_id not in self._devices:
                  self._devices[device_id] = AppleDevice(
                      device_info,
                      self.session,
                      self.params,
                      manager=self,
                      sound_url=self._fmip_sound_url,
                      lost_url=self._fmip_lost_url,
                      message_url=self._fmip_message_url,
                  )
              else:
                  self._devices[device_id].update(device_info)
  
          if not self._devices:
              raise PyiCloudNoDevicesException()
docs: Refreshes the FindMyiPhoneService endpoint,
  
          This ensures that the location data is up-to-date.