old_contents: """
  Support for MAX! Window Shutter via MAX! Cube.
  
  For more details about this platform, please refer to the documentation
  https://home-assistant.io/components/maxcube/
  """
  import logging
  
  from homeassistant.components.binary_sensor import BinarySensorDevice
  from homeassistant.components.maxcube import MAXCUBE_HANDLE
  from homeassistant.const import STATE_UNKNOWN
  
  _LOGGER = logging.getLogger(__name__)
  
  
  def setup_platform(hass, config, add_devices, discovery_info=None):
      """Iterate through all MAX! Devices and add window shutters."""
      cube = hass.data[MAXCUBE_HANDLE].cube
      devices = []
  
      for device in cube.devices:
          name = "{} {}".format(
              cube.room_by_id(device.room_id).name, device.name)
  
          # Only add Window Shutters
          if cube.is_windowshutter(device):
              devices.append(MaxCubeShutter(hass, name, device.rf_address))
  
      if devices:
          add_devices(devices)
  
  
  class MaxCubeShutter(BinarySensorDevice):
      """Representation of a MAX! Cube Binary Sensor device."""
  
      def __init__(self, hass, name, rf_address):
          """Initialize MAX! Cube BinarySensorDevice."""
          self._name = name
          self._sensor_type = 'opening'
          self._rf_address = rf_address
          self._cubehandle = hass.data[MAXCUBE_HANDLE]
          self._state = STATE_UNKNOWN
  
      @property
      def should_poll(self):
          """Return the polling state."""
          return True
  
      @property
      def name(self):
          """Return the name of the BinarySensorDevice."""
          return self._name
  
      @property
      def device_class(self):
          """Return the class of this sensor."""
          return self._sensor_type
  
      @property
      def is_on(self):
          """Return true if the binary sensor is on/open."""
          return self._state
  
      def update(self):
          """Get latest data from MAX! Cube."""
          self._cubehandle.update()
          device = self._cubehandle.cube.device_by_rf(self._rf_address)
          self._state = device.is_open
  
new_contents: """
  Support for MAX! Window Shutter via MAX! Cube.
  
  For more details about this platform, please refer to the documentation
  https://home-assistant.io/components/maxcube/
  """
  import logging
  
  from homeassistant.components.binary_sensor import BinarySensorDevice
  from homeassistant.components.maxcube import MAXCUBE_HANDLE
  from homeassistant.const import STATE_UNKNOWN
  
  _LOGGER = logging.getLogger(__name__)
  
  
  def setup_platform(hass, config, add_devices, discovery_info=None):
      """Iterate through all MAX! Devices and add window shutters."""
      cube = hass.data[MAXCUBE_HANDLE].cube
      devices = []
  
      for device in cube.devices:
          name = "{} {}".format(
              cube.room_by_id(device.room_id).name, device.name)
  
          # Only add Window Shutters
          if cube.is_windowshutter(device):
              devices.append(MaxCubeShutter(hass, name, device.rf_address))
  
      if devices:
          add_devices(devices)
  
  
  class MaxCubeShutter(BinarySensorDevice):
      """Representation of a MAX! Cube Binary Sensor device."""
  
      def __init__(self, hass, name, rf_address):
          """Initialize MAX! Cube BinarySensorDevice."""
          self._name = name
          self._sensor_type = 'window'
          self._rf_address = rf_address
          self._cubehandle = hass.data[MAXCUBE_HANDLE]
          self._state = STATE_UNKNOWN
  
      @property
      def should_poll(self):
          """Return the polling state."""
          return True
  
      @property
      def name(self):
          """Return the name of the BinarySensorDevice."""
          return self._name
  
      @property
      def device_class(self):
          """Return the class of this sensor."""
          return self._sensor_type
  
      @property
      def is_on(self):
          """Return true if the binary sensor is on/open."""
          return self._state
  
      def update(self):
          """Get latest data from MAX! Cube."""
          self._cubehandle.update()
          device = self._cubehandle.cube.device_by_rf(self._rf_address)
          self._state = device.is_open
  
subject: Set MAX! Window Sensor's class to 'window' (#11799)