def __missing__(self, key):
        if self.default_factory is None:
            raise KeyError(key)
        else:
            ret = self[key] = self.default_factory(name=key)
            return ret
async def async_reload_entry(hass: HomeAssistant, entry: ConfigEntry) -> None:
    """Handle an options update."""
    await hass.config_entries.async_reload(entry.entry_id)