def async_setup(self):
    'Set up values instance.'
    for value in self._node.values():
        self.async_check_value(value)
    self._async_check_entity_ready()
Set up values instance.
def async_setup(self):
    
    for value in self._node.values():
        self.async_check_value(value)
    self._async_check_entity_ready()