Matthew Hill

:+1: Since this PR deals with Django 1.10 deprecation, it might be worth it to take care of [this line](https://github.com/kelvinwong-ca/django-select-multiple-field/blob/master/select_multiple_field/widgets.py#L37) too. The choices parameter was removed from render_options(). I tested...

I would also like this, but in case you haven't seen it, there's a [workaround](https://github.com/OvidijusParsiunas/deep-chat/issues/83#issuecomment-1872625420) using the websocket handler.