def METHOD_NAME(self, request, *args, **kwargs):
    from datetime import datetime
    dt = datetime.now()
    data = (
        FileRenderSerializer(instance).data
        for instance in self.filter_queryset(self.get_queryset())
    )
    renderer = self.get_lang(data)
    response = StreamingHttpResponse(
        renderer,
        content_type="text/csv"
    )
    response['Content-Disposition'] = "attachment; filename='binsize_{}.csv'".format(str(dt.strftime('%Y%m%d%H%M%S%f')))
    return response