标签：core CryptographyDeprecationWarning cryptography Python supported 3.3 2.6
警告
CryptographyDeprecationWarning: Python 2 is no longer supported by the Python core team. Support for it is now deprecated in cryptography, and will be removed in the next release.
低版本
pip install cryptography==2.6
可能不适配
ERROR: pyopenssl 19.1.0 has requirement cryptography>=2.8, but you'll have cryptography 2.6 which is incompatible.
ERROR: aliyun-python-sdk-core 2.15.2 has requirement cryptography>=3.0.0, but you'll have cryptography 2.6 which is incompatible.
Installing collected packages: cryptography
Found existing installation: cryptography 3.3.2
Uninstalling cryptography-3.3.2:
Successfully uninstalled cryptography-3.3.2
ERROR: Could not install packages due to an EnvironmentError: [Error 5] : 'c:\\programdata\\anaconda3\\envs\\washpayer\\lib\\site-packages\\~ryptography\\hazmat\\bindings\\_openssl.pyd'
Consider using the `--user` option or check the permissions.
标签：core,
CryptographyDeprecationWarning,
cryptography,
Python,
supported,
3.3,
2.6
From： https://www.cnblogs.com/guanchaoguo/p/18585475