def __str__(self):
    return self.question_text

if request.method == "POST":
    form = UploadFileForm(request.POST,
                          request.FILES)
    if form.is_valid():
        request.FILES['file'].save_to_database(
            name_columns_by_row=2,
            model=Question,
            mapdict=['question_text', 'pub_date', 'slug'])
        return HttpResponse("OK")
    else:
        return HttpResponseBadRequest()
else:
    form = UploadFileForm()
return render(request, 'perfimport/import.html', {'form': form})