How to use the martor.api.imgur_uploader function in martor

def markdown_imgur_uploader(request):
    """
    Makdown image upload for uploading to imgur.com
    and represent as json to markdown editor.
    """
    if request.method == 'POST' and request.is_ajax():
        if 'markdown-image-upload' in request.FILES:
            image = request.FILES['markdown-image-upload']
            data = imgur_uploader(image)
            return HttpResponse(data, content_type='application/json')
        return HttpResponse(_('Invalid request!'))
    return HttpResponse(_('Invalid request!'))