scrapy-fake-useragent 依赖 fake-useragent 生成用户代理，但 fake-useragent==2.0.0 开始对其内部实现做了较大改动，可能导致兼容性问题。
如果 scrapy-fake-useragent 版本是 1.4.4，需要使用fake-useragent==1.1.0。
pip install scrapy==2.11.2
pip install fake-useragent==1.1.0
pip install scrapy_fake_useragent==1.4.4
pip install pipreqs
pipreqs . --encoding=utf8 --force
scrapy crawl BasicCrawlerSpider -o basic.json
scrapy crawl BasicCrawlerSpider -o basic.csv -s CLOSESPIDER_ITEMCOUNT=90
scrapy crawl BasicCrawlerSpider -o basic.xml
scrapy crawl BasicCrawlerSpider -s FEED_URI='d:\basic.csv' -s FEED_FORMAT=csv
scrapy crawl BasicCrawlerSpider -s FEED_URI='d:\basic.json' -s FEED_FORMAT=json