python 安装selenium出现错误

Question

以下为报错内容__
C:\Python27\lib\site-packages\pip-7.1.2-py2.7.egg\pip_vendor\requests\packages\urllib3\util\ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
C:\Python27\lib\site-packages\pip-7.1.2-py2.7.egg\pip_vendor\requests\packages\urllib3\util\ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning
Could not find a version that satisfies the requirement selenium (from versions: )
No matching distribution found for selenium
C:\Python27\lib\site-packages\pip-7.1.2-py2.7.egg\pip_vendor\requests\packages\urllib3\util\ssl_.py:90: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
InsecurePlatformWarning

Answer 1

我的pycharm使用的是阿里镜像站，在pycharm的terminal里输入pip install --index-url http://mirrors.aliyun.com/pypi/simple/ selenium也报了这样的错。
我是这么解决的，在上面的命令后面接了个--trusted-host mirrors.aliyun.com就好了