How to use the icrawler.builtin.bing.BingImageCrawler function in icrawler

'get the first 1000 result. "max_num" has '
                                    'been automatically set to %d',
                                    1000 - offset)
        feeder_kwargs = dict(
            url_template=('http://www.bing.com/images/search?qs=IM&form=QBIR&sc=8-9&sp=4&sk=IM3&'
                          'q={}&count=35&first={}'),
            keyword=keyword,
            offset=offset,
            max_num=max_num,
            page_step=35)
        downloader_kwargs = dict(
            max_num=max_num,
            min_size=min_size,
            max_size=max_size,
            file_idx_offset=file_idx_offset)
        super(BingImageCrawler, self).crawl(
            feeder_kwargs=feeder_kwargs, downloader_kwargs=downloader_kwargs)

return
            elif max_num > 1000:
                max_num = 1000 - offset
                self.logger.warning('Due to Bing\'s limitation, you can only '
                                    'get the first 1000 result. "max_num" has '
                                    'been automatically set to %d',
                                    1000 - offset)
        feeder_kwargs = dict(
            keyword=keyword, offset=offset, max_num=max_num, filters=filters)
        downloader_kwargs = dict(
            max_num=max_num,
            min_size=min_size,
            max_size=max_size,
            file_idx_offset=file_idx_offset,
            overwrite=overwrite)
        super(BingImageCrawler, self).crawl(
            feeder_kwargs=feeder_kwargs, downloader_kwargs=downloader_kwargs)