pip安装三方库不成功，提示：WARNING: You are using pip version 19.2.3, however version 20.2.2 is available. You

pip安装三方库不成功，提示：WARNING: You are using pip version 19.2.3, however version 20.2.2 is available. You should consider upgrading via the ‘python -m pip install --upgrade pip’ command.

原因：pip版本过低导致安装第三方库失败

**解决方案：更新pip版本
1、cmd打开命令窗口
2、输入命令：easy_install -U pip（如下图）

3、然后继续安装你要装的第三方库即可**