cryptography怎么解决
[root@host108 paramiko]# pip install cryptography-2.8.tar.gz DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won’t be maintained after that date. A future version of pip will drop support for Python 2.7. More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. Processing ./cryptography-2.8.tar.gz Installing build dependencies … error