You are using an out of date version of setuptools; upgrade to the latest release and it should resolve your issue.
Alex On Tue, Oct 17, 2017 at 3:17 PM, 白 岩 <palad...@outlook.com> wrote: > Hi, I'm using python2.7 and need to install this moudel. > I installed it with command : pip install cryptography . > but I got this : > > Running setup.py (path:/tmp/pip_build_root/cryptography/setup.py) > egg_info for package cryptography > error in cryptography setup command: Invalid environment marker: > python_version < '3' > Complete output from command python setup.py egg_info: > error in cryptography setup command: Invalid environment marker: > python_version < '3' > > I am at the end of someone's rope. > > Thanks for your help. > > _______________________________________________ > Cryptography-dev mailing list > Cryptography-dev@python.org > https://mail.python.org/mailman/listinfo/cryptography-dev > > -- "I disapprove of what you say, but I will defend to the death your right to say it." -- Evelyn Beatrice Hall (summarizing Voltaire) "The people's good is the highest law." -- Cicero GPG Key fingerprint: D1B3 ADC0 E023 8CA6
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