'Perform a spot clean-up.'

def clean_spot(self, **kwargs):

    if ((self.supported_features & SUPPORT_CLEAN_SPOT) == 0):
        return
    self._state = True
    self._cleaned_area += 1.32
    self._battery_level -= 1
    self._status = 'Cleaning    spot'
    self.schedule_update_ha_state()
