[fix] skip invalid encoded attributes

        else:

            url = build_flickr_url(photo['ownerNsid'], photo['id'])

        results.append({'url': url,

                        'title': title,

        result = {

            'url': url,

            'img_src': img_src,

            'thumbnail_src': thumbnail_src,

                        'content': content,

                        'author': author,

            'source': source,

            'img_format': img_format,

                        'template': 'images.html'})

            'template': 'images.html'

        }

        try:

            result['author'] = author.encode('utf-8')

            result['title'] = title.encode('utf-8')

            result['content'] = content.encode('utf-8')

        except:

            result['author'] = ''

            result['title'] = ''

            result['content'] = ''

        results.append(result)

    return results