整理几个关于安装 Scrapy 框架时会遇到的问题及解决方法。
1、
pip install typing-extensions==4.3.0 -i https://pypi.douban.com/simple
2、
pip install pyOpenSSL==22.0 -i https://pypi.douban.com/simple
3、
pip install cryptography==36.0.2 -i https://pypi.douban.com/simple
4、AttributeError: ‘SelectReactor’ object has no attribute ‘_handleSignals’
pip uninstall Twisted
pip install Twisted==22.10.0
