$ pip install -U pip Using cached pip-9.0.1-py2.py3-none-any.whlSuccessfully installed pip-8.1.1
You are using pip version 8.1.1, however version 9.0.1You should consider upgrading via
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 consider upgrading via