安装Scrapy 报Twisted 错误

Could not find a version that satisfies the requirement Twisted>=13.1.0 (from Scrapy) (from versions: )

No matching distribution found for Twisted>=13.1.0 (from Scrapy)

原因是没有安装Twisted

wget https://pypi.python.org/packages/source/T/Twisted/Twisted-15.2.1.tar.bz2

 

tar -xjvf Twisted-15.2.1.tar.bz2
cd Twisted-15.2.1
python setup.py install

导入scrapy报错: No module named twisted.persisted.styles

出现：import twisted.persisted.styles  # NOQA
ModuleNotFoundError: No module named 'twisted.persisted'

解决:

　　升级 twisted

        sudo pip install twisted --upgrade