Version mismatch: this is the 'cffi' package version 1.14.6, located in '/tmp/pip-build-env-kuxyuc2x据我所知,我有: hamham@astroloutre:~/www$ pip show cffiVersion: 1.14.0
Summary: Foreign FunctionRequired-by: 我正在尝试安装1.14.6版本 hamham@astroloutre:~&
我正在尝试更新PIP ( Python包安装程序),以便可以在Python中安装包,但要做到这一点,我需要使用PIP命令。本质上,我不能在没有更新PIP的情况下更新PIP (即命令是python安装--升级pip)。错误消息是get:You are using pip version 9.0.1, however version 19.1.1 is available.You should cons