python crawler_booter.py --usage crawler 报错

[myrainbowandsky]

python3 crawler_booter.py --usage crawler
:0: UserWarning: You do not have a working installation of the service_identity module: 'cannot import name 'verify_ip_address''. Please install it from https://pypi.python.org/pypi/service_identity and make sure all of its dependencies are satisfied. Without the service_identity module, Twisted can perform only rudimentary TLS client hostname verification. Many valid certificate/hostname mappings may be rejected.
安装 service_identity 还是报错

ubuntu18.04 , python3.6

[p475453633]

pip install service_identity --force --upgrade
参考：https://blog.csdn.net/qiqiyingse/article/details/91518343