scrapy + cloudscraper 产生错误: CloudflareChallengeError Detected a Cloudflare version 2 challenge
错误示例Traceback(mostrecentcalllast):cloudscraper.exceptions.CloudflareChallengeError:DetectedaCloudflareversion2Captchachallenge,Thisfeatureisnotavailableintheopensource(free)version.2021-04-2709:59:30[