Django: how to make case-insensitive __in query

def get_queryset(self):
 queryset = super(MyModel, self).get_queryset()
 states_filter = [
 item.strip()
 for item in config.STATES.split(',')
 ]
 if not states_filter:
 MyModel.objects.none()
 q = Q()
 for state in states_filter:
 q = q | Q(status__iexact=state)
 queryset = queryset.filter(q)
 return queryset

related gist: https://gist.github.com/ctrl-alt-delete/10745911