scrapy twisted.python.failure.Failure OpenSSL.SSL.Error

先检查是否加了UA，如果代码没有问题，可能是cryptography 版本问题
pip uninstall cryptography
pip install cryptography==36.0.2

2022-06-07 03:02:00 [scrapy.downloadermiddlewares.retry] ERROR: Gave up retrying (failed 3 times): []
2022-06-07 03:02:00 [scrapy.core.scraper] ERROR: Error downloading
Traceback (most recent call last):
File “D:softpython3libsite-packagesscrapycoredownloadermiddleware.py”, line 44, in process_request
return (yield download_func(request=request, spider=spider))
twisted.web._newclient.ResponseNeverReceived: []