python 安装selenium出现错误_course

**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

Twisted-18.9.0-cp37-cp37m-win_amd64.whl下载_course

解决python_scrapy安装出错： Twisted-18.9.0-cp37-cp37m-win_amd64.whl 相关下载链接：//download.csdn.net/download/wei